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Intel Core 2 Quad Q6600 vs Core i5-2500K

Mini Review

Intel Core 2 Quad Q6600 advantages



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available
  • None

Intel Core i5-2500K advantages



Intel Core i5-2500K
  • In single-threaded applications, the i5-2500K has 103% better performance.
  • The Intel i5-2500K is 98% faster when running multi-threaded programs.
  • Memory performance of the Core i5-2500K CPU is better.
  • The Core i5-2500K features SSE4.1 and SSE4.2 instructions.
  • Advanced Encryption Standard technology is enabled on this microprocessor. These instructions accelerate AES encryption and decryption, and are valuable if you run applications, that secure your disk or network data.
  • The Intel Core i5-2500K CPU incorporates AVX instructions, that were introduced in the recent past. These extensions are not broadly supported by programs yet, however their support should improve in future apps.
  • The processor is unlocked. Consequentally, the microprocessor can be easily overclocked on most motherboards to achieve higher performance.
  • The CPU comes with integrated HD 3000 GPU. This graphics unit replaces low-end graphics card, and thus lowers the cost of the system.
  • Power consumption of the microprocessor is lower.

Q6600 vs i5-2500K performance comparison

The charts in the section below demonstrate relative performance of Core 2 Quad Q6600 and Core i5-2500K microprocessors in different types of programs. To calculate displayed numbers we averaged results for a number of benchmarks for each specific type of program. Consequentally, performance in individual benchmarks may be better or worse than what you see in the charts on this page. We also averaged the numbers for application type specific benchmarks and all-around performance benchmarks, and presented them in the 'Overall performance' chart.
Single-threaded performance
3
2.4
1.8
1.2
0.6
0
 
 
1
 
2.03
 
 
Higher is better
Multi-threaded performance
3
2.4
1.8
1.2
0.6
0
 
 
1
 
1.98
 
 
Higher is better
Memory-intensive applications
2
1.6
1.2
0.8
0.4
0
 
 
1
 
1.69
 
 
Higher is better
Overall performance
3
2.4
1.8
1.2
0.6
0
 
 
1
 
1.89
 
 
Higher is better

  - Intel Core 2 Quad Q6600       - Intel Core i5-2500K

Please see the "Benchmarks" tab for full list of benchmarks, demonstrating difference in performance between Core 2 Quad Q6600 and Intel Core i5-2500K in various types of tests.


Q6600 vs i5-2500K power consumption comparison

Thermal Design Power
200
160
120
80
40
0
 
 
105W
 
95W
 
 
Lower is better
 

Detailed side by side comparison of Q6600 vs Core i5-2500K specs can be found in the "Specifications" tab. Even more detailed comparison of low level features of both processors is located in the "CPUIDs" tab.


Pros and Cons summary

Core 2 Quad Q6600 Core i5-2500K
General recommendations:
None
  General recommendations:
Much faster in all kinds of tasks,
Supports SSE4.1 / SSE4.2 / AVX instructions,
Allows easy overclocking,
Includes HD 3000 GPU,
Needs less power

Drawbacks:

Performs significantly worse in all task types,
Does not support some instructions,
Does not have on-chip graphics,
Needs more power,
Obsolete socket
 

Drawbacks:

None

Similar processors

Core 2 Quad Q6600 Core i5-2500K
 

Similar microprocessors use the same socket and architecture as Intel Core 2 Quad Q6600 and Core i5-2500K, but their performance and other characteristics are slightly different.


Where to buy


These processors are obsolete. Hence, the best place to search for them is eBay. They may also be available from third party vendors at Amazon.
Jump to:
  • Benchmarks
  • CPUIDs
  • Comments
 

More comparisons

Compare Intel Core 2 Quad Q6600 with...

Other Core i5 CPU:

Any CPU:


Compare Intel Core i5-2500K with...

Other Core 2 Quad CPU:

Any CPU:


Note: To see differences with any CPU, type in any combination of the following into the "Any CPU" field: manufacturer name, full or partial family name, model number, part number, core name, socket name, operating frequency, bus speed (must have FSB suffix), and the last level cache. Here are some valid searches:

  i5-3570K
  Intel Celeron 2 GHz
  Core
  Pentium 4 800FSB
  AMD 3.3GHz 8MB

Specifications

Please visit Intel Core 2 Quad Q6600 and Intel Core i5-2500K pages for more complete specifications of both microprocessors.

 Intel Core 2 Quad Q6600Intel Core i5-2500K
Market segmentDesktop
ManufacturerIntel
FamilyCore 2 QuadCore i5
Basic details
Model numberQ6600i5-2500K
CPU part numberHH80562PH0568MCM8062300833803
Box part numberBX80562Q6600BX80623I52500K
BXC80623I52500K
Introduction dateJanuary 8, 2007January 9, 2011
 
CPU features
Core nameKentsfieldSandy Bridge
MicroarchitectureCoreSandy Bridge
Technology (micron)0.0650.032
Data width (bits)64
SocketSocket 775Socket 1155
Frequency (MHz)24003300
Turbo Frequency (MHz) 3700 / 3600 / 3500 / 3400
Bus speed (MHz)1066 
Clock Multiplier933
L1 cache128 KB (code) / 128 KB (data)
L2 cache (KB)81921024
L3 cache (KB) 6144
Max temperature (°C)60.372.6
TDP (Watt)10595
Max power dissipation (Watt)155.25 
Core voltage (V)0.85 - 1.5 
Cores4
Threads4
Multiprocessing1
 
Instruction set extensions
AES / Advanced Encryption Standard-+
AMD64 / EM64T 64-bit technology+
AVX / Advanced Vector Extensions-+
MMX+
SSE+
SSE2+
SSE3+
SSE4.1-+
SSE4.2-+
SSSE3 / Supplemental SSE3+
 
Supported technologies
PowerNow! / Enhanced SpeedStep+
Turbo Core / Turbo Boost-+
Unlocked multiplier-+
Virtualization+
Virus Protection / Execute Disable bit+
 
Integrated Graphics
GPU TypeNoneHD 3000
 
Integrated Memory Controller(s)
The number of controllers01
Notes:

Rows with different specifications or features are highlighted.

For detailed specifications of "Intel Core 2 Quad Q6600" or "Intel Core i5-2500K" parts please click on the links in the table header.

Benchmarks

System setup

Intel Core 2 Quad Q6600 and Core i5-2500K processors were tested using different system components, that are identified by MB, RAM and VID columns in the tables below. The numbers in each of these columns correspond to one of motherboards (MB), memory configurations (RAM) or graphics adapters (VID), listed below:

MB - Motherboard(s):
1. ASUS P8P67
2. ASROCK 4CORE1600TWINS-P35
3. INTEL DP965LT
4. ASUS P8H61-M

RAM - Memory:
1. 2 GB DUAL-CHANNEL CORSAIR TR3X3G1600C9 DDR3
2. 2 GB DUAL-CHANNEL CORSAIR CM3X1024-1333C9 DDR3
3. 2GB DUAL-CHANNEL CORSAIR CM2X1024-6400C4

VID - Video card(s):
1. MSI R6670 1GB GDDR5 (ATI RADEON)
2. POWERCOLOR 24PRO256M DDR2 (ATI RADEON HD2400)
3. INTEGRATED ON-CHIP INTEL SANDY BRIDGE GRAPHICS

All tests were performed at default frequency and voltage, using manufacturer's stock fan/heatsink. None of the components were overclocked. Motherboard BIOS options were left at default settings.

The results of all benchmarks are broken into four categories: multi-threaded, single-threaded, memory intensive and graphics / gaming.


Core 2 Quad Q6600 vs Core i5-2500K single-threaded benchmarks

Single-threaded benchmarks run on a single CPU core, and do not depend on such features as the number of cores, or Hyper-Threading technology. Additionally, they do not utilize on-chip caches, dedicated to other cores.

     

    Intel Core 2 Quad Q6600           Intel Core i5-2500K

3DMark03 CPU score benchmark

Uses DirectX software vertex shader to run Wings of Fury and Trolls' Lair games, and calculates a 3DMark03 CPU score based on averaged number of frames per second, achieved by the CPU/GPU combination.
Longer is better <MBRAMVID
100%111
44.6%222
39.6%332
39.3%423

CINEBENCH R10 CPU score (1 core) benchmark

Measures performance of a single-core rendering of a photo-realistic 3D image using CINEMA 4D software engine.
Longer is better <MBRAMVID
100%111
99.2%423
50.4%222
50.4%332

PCMark2002 CPU score benchmark

Longer is better <MBRAMVID
100%423
99.6%111
63.0%222
62.6%332

Super PI (1M) benchmark

Measures time, required to calculate the first 1 million digits after the decimal point in the number Pi.
Longer is better <MBRAMVID
100%111
99.6%423
48.2%222
48.0%332


Core 2 Quad Q6600 vs Core i5-2500K multi-threaded benchmarks

Multi-threaded benchmarks utilize all CPU cores and other on-chip resources (on-chip caches, internal buffers, etc). Intel's Hyper-Threading feature also helps to improve multi-threading performance.

     

    Intel Core 2 Quad Q6600           Intel Core i5-2500K

CINEBENCH R10 CPU score benchmark

Measures performance of multi-core rendering of a photo-realistic 3D image using CINEMA 4D software engine.
Longer is better <MBRAMVID
100%111
99.7%423
53.0%332
53.0%222

CINEBENCH R10 render time (seconds) benchmark

Measures time taken to render a photo-realistic 3D image using CINEMA 4D software engine.
Longer is better <MBRAMVID
100%111
99.6%423
53.0%332
53.0%222

Euler3D benchmark

Longer is better <MBRAMVID
100%423
96.2%111
46.1%222
45.3%332

Sandra Dhrystone (MIPS) benchmark

Runs Dhrystone test on all cores, and reports estimated integer performance in MIPS (Millions of Instructions Per Second).
Longer is better <MBRAMVID
100%111
99.4%423
65.0%222
64.9%332

Sandra MultiMedia Floating Point (it/s) benchmark

Longer is better <MBRAMVID
100%111
99.4%423
66.8%222
66.6%332

    Intel Core 2 Quad Q6600           Intel Core i5-2500K

Sandra MultiMedia Integer (it/s) benchmark

Longer is better <MBRAMVID
100%111
99.4%423
83.7%222
83.6%332

Sandra Whetstone (MFLOPS) benchmark

Runs Whetstone test on all cores, and reports estimated floating-point performance in MFLOPS (Millions of Floating-Point Operations Per Second).
Longer is better <MBRAMVID
100%111
99.6%423
70.4%222
70.1%332

Sandra Whetstone SSE2 (MFLOPS) benchmark

Runs SSE2-enabled Whetstone test on all cores, and reports estimated floating-point performance in MFLOPS (Millions of Floating-Point Operations Per Second).
Longer is better <MBRAMVID
100%111
99.6%423
62.0%332
61.9%222

wPrime v1.55 (32M) benchmark

wPrime benchmark measures time taken to calculate square roots of numbers from 1 to 33554431.
Longer is better <MBRAMVID
100%111
99.9%423
51.6%222
51.6%332


Core 2 Quad Q6600 vs Core i5-2500K graphics benchmarks

Graphics benchmarks depend on the type of integrated or discrete graphics adapter, and to less extent on the processor performance. Because these benchmarks are synthetic, they may not truly represent gaming performance. However, they still can be used to estimate whether one processor will perform faster or slower than another CPU in games and other 3D tasks.

Important! The processors were tested using different types of graphics adapters, that may not be suitable for comparison.
     

    Intel Core 2 Quad Q6600           Intel Core i5-2500K

3DMark03 game score benchmark

Measures graphics and 3D game performance of discrete and integrated GPUs using 4 different game simulations, that have varying level of DirectX support from version 7 to version 9.
Longer is better <MBRAMVID
100%111
25.5%423
8.8%222
8.7%332

3DMark2001 score benchmark

Runs a series of game simulations and feature tests to measure graphics and 3D game performance of discrete and integrated GPUs. It utilizes a single CPU core, and it is compatible with DirectX 8 and later APIs.
Longer is better <MBRAMVID
100%111
35.1%423
19.7%222
19.6%332

CINEBENCH R10 OpenGL score benchmark

Longer is better <MBRAMVID
100%111
24.3%332
24.0%222
21.9%423


Core 2 Quad Q6600 vs Core i5-2500K memory performance

Memory-intensive tests or programs move large amounts of data to/from memory, and they depend more on memory throughput and the size of on-chip caches, rather than on CPU integer/FP/SIMD performance.

     

    Intel Core 2 Quad Q6600           Intel Core i5-2500K

7Zip compressing/decompressing speed (1 thread) benchmark

Longer is better <MBRAMVID
100%423
99.8%111
65.2%222
64.8%332

PCMark2002 Memory score benchmark

Longer is better <MBRAMVID
100%111
99.8%423
51.0%222
50.9%332

WinRAR compressing/decompressing speed benchmark

Longer is better <MBRAMVID
100%111
98.7%423
58.9%222
58.3%332

CPUIDs

The table below compares two random CPUID records for Intel Core 2 Quad Q6600 and Intel Core i5-2500K microprocessors, that were submitted to our CPUID database. Please note that different steppings of Intel processors, identified by S-spec numbers or CPUID, may have slightly different features. For that reason the comparison table below only applies to CPUs with specific S-Spec number / CPUID.

  CPUID 1 CPUID 2
ManufacturerIntel
CPU FamilyCore 2 QuadCore i5
Model / Processor Number2.40 GHzi5-2500K
Frequency2397 MHz3310 MHz
CWID version0.30.4
Part numberHH80562PH0568MCM8062300833803
S-Spec / Stepping CodeSL9UMSR008
 
General information
VendorGenuineIntel
Processor name (BIOS)Intel(R) Core(TM)2 Quad CPU @ 2.40GHz Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz
Cores4
Logical processors4
Processor typeOriginal OEM Processor
CPUID signature6F7206A7
Family 6 (06h)
Model15 (0Fh)42 (02Ah)
Stepping 7 (07h)
TLB/Cache details3rd-level cache: 4-MB, 16-way set associative, 64-byte line size (Intel Xeon processor MP, Family 0Fh, Model 06h), 2nd-level cache: 4-MB, 16-way set associative, 64-byte line size
64-byte Prefetching
Data TLB: 4-KB Pages, 4-way set associative, 256 entries
Data TLB: 4-MB Pages, 4-way set associative, 32 entries
Instruction TLB: 2-MB pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 128 entries
L1 Data TLB: 4-KB pages, 4-way set associative, 16 entries
L1 Data TLB: 4-MB pages, 4-way set associative, 16 entries
64-byte Prefetching
Data TLB0: 2-MB or 4-MB pages, 4-way set associative, 32 entries
Data TLB: 4-KB Pages, 4-way set associative, 64 entries
Instruction TLB: 4-KB Pages, 4-way set associative, 128 entries
L2 TLB: 1-MB, 4-way set associative, 64-byte line size
Shared 2nd-level TLB: 4 KB pages, 4-way set associative, 512 entries
 
Cache
L1 data: Associativity8-way set associative
L1 data: Comments Direct-mapped
L1 data: Line size64 bytes
L1 data: Size32 KB4 x 32 KB
L1 instruction: Associativity8-way set associative
L1 instruction: Comments Direct-mapped
L1 instruction: Line size64 bytes
L1 instruction: Size32 KB4 x 32 KB
L2: Associativity16-way set associative8-way set associative
L2: Comments Non-inclusive|Direct-mapped
L2: Line size64 bytes
L2: Size4 MB4 x 256 KB
L3: Associativity 12-way set associative
L3: Comments Inclusive|Shared between all cores
L3: Line size 64 bytes
L3: Size 6 MB
 
Instruction set extensions
AES-+
AVX-+
MMX+
SSE+
SSE2+
SSE3+
SSE4.1-+
SSE4.2-+
SSSE3+
 
Additional instructions
CLFLUSH+
CMOV+
CMPXCHG16B+
CMPXCHG8B+
FXSAVE/FXRSTORE+
MONITOR/MWAIT+
PCLMULDQ-+
POPCNT-+
RDTSCP-+
SYSENTER/SYSEXIT+
XSAVE / XRESTORE states-+
 
Major features
64-bit / Intel 64+
Enhanced SpeedStep+
Intel Virtualization+
NX bit/XD-bit+
On-chip Floating Point Unit+
Turbo Boost-+
 
Other features
36-bit page-size extensions+
64-bit debug store+
Advanced programmable interrupt controller+
CPL qualified debug store+
Debug store+
Debugging extensions+
Digital Thermal Sensor capability+
LAHF / SAHF support in 64-bit mode+
Machine check architecture+
Machine check exception+
Memory-type range registers+
Model-specific registers+
Page attribute table+
Page global extension+
Page-size extensions (4MB pages)+
Pending break enable+
Perfmon and Debug capability+
Physical address extensions+
Power Limit Notification capability-+
Process context identifiers-+
Self-snoop+
TSC rate is ensured to be invariant across all states-+
Thermal monitor+
Thermal monitor 2+
Thermal monitor and software controlled clock facilities+
Time stamp counter+
Timestamp counter deadline-+
Virtual 8086-mode enhancements+
xTPR Update Control+
+ - feature is supported
- - feature is not supported
Features, not supported by all processors in the table, are not displayed

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