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AMD Athlon X2 7850 Black Edition - AD785ZWCJ2BGH / AD785ZWCGHBOX

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AMD Athlon X2 7850 specifications

General information
TypeCPU / Microprocessor
Market segmentDesktop
FamilyAMD Athlon X2
Model number  ? 7850
CPU part numbers
  • AD785ZWCJ2BGH is an OEM/tray microprocessor
  • AD785ZWCGHBOX is a boxed microprocessor
Stepping codeJAAAB AA
Frequency  ? 2800 MHz
Clock multiplier  ? 14
Package940-pin organic microPGA
SocketsSocket AM2
Socket AM2+
Fan/heatsinkCMDK8-7I52D-A15-GP
Introduction dateApr 28, 2009
Price at introduction$69
 
Architecture / Microarchitecture
MicroarchitectureK10
Processor core  ? Kuma
Core stepping  ? B3
CPUID100F23
Manufacturing process0.065 micron SOI
450 million transistors
Die size285mm2
Data width64 bit
The number of cores2
The number of threads2
Floating Point UnitIntegrated
Level 1 cache size  ? 2 x 64 KB instruction caches
2 x 64 KB data caches
Level 2 cache size  ? 2 x 512 KB
Level 3 cache sizeShared 2 MB
MultiprocessingUniprocessor
Features
  • MMX instructions
  • 3DNow! technology
  • SSE / Streaming SIMD Extensions
  • SSE2 / Streaming SIMD Extensions 2
  • SSE3 / Streaming SIMD Extensions 3
  • SSE4a  ? 
  • AMD64 / AMD 64-bit technology  ? 
  • AMD-V / AMD Virtualization technology
  • EVP / Enhanced Virus Protection  ? 
Low power features
  • Cool'n'Quiet 2.0
  • CoolCore technology  ? 
  • Independent Dynamic Core Technology  ? 
  • Dual Dynamic Power Management  ? 
 
Integrated peripherals / components
Integrated graphicsNone
Memory controller
  • The number of controllers: 1
    Memory channels: 2
    Channel width (bits): 64
    Supported memory: DDR2
Other peripheralsHyperTransport technology  ? 
 
Electrical / Thermal parameters
V core  ? 1.2V - 1.25V
Maximum operating temperature  ? 73°C
Thermal Design Power  ? 95 Watt
 
Notes on AMD Athlon X2 7850
  • The processor has unlocked multiplier

Detailed side-by-side comparison

For detailed comparision of the AMD Athlon X2 7850 and any other other chip from our CPU database type in a chip name and/or its partial specs:

You can specify any of the following: manufacturer name, family name, model number, part number, core name, socket name, operating frequency, bus speed, and the last level cache. Here are examples of searches: AD785ZWCJ2BGH, AMD Athlon X2 2.8GHz, Kuma Socket AM2, Socket AM2+


Historical price chart

The chart below shows official prices of AMD Athlon X2 7750 Black Edition and 7850 Black Edition processors:

Historical official prices of Athlon X2 7750 Black Edition and 7850 Black Edition processors

FAQ

Q: Can I upgrade my AMD Athlon X2 7850 microprocessor?
A: Probably yes. CPU compatibility is determined by your motherboard. Please see CPU-Upgrade.com resource for CPU support list for your board.

Athlon X2 7850 Overclocking

Sorry, overclocking information is not available at this time.

Compare AMD Athlon X2 7850 benchmark results with all tested CPUs from one of the following families:

To compare this Athlon X2 CPU with any tested processor please proceed to

For additional benchmarks, comparing multi-threaded performance of this microprocessor with other Athlon X2 CPUs and the fastest AMD and Intel x86 chips, please visit AMD Athlon X2 7850 benchmarks page.

AMD Athlon X2 7850 Benchmarks

The graphs below show up to 10 microprocessors with approximately the same level of integer (CPU), floating-point (FPU), SIMD and memory performance. All processors were not overclocked, and were tested at a nominal frequency, with a stock heatsink and default BIOS settings. Click on the '?' mark next to each model name to see specifications of that model, and details of the test platform. To find out how the Athlon X2 7850 compares to other CPUs in specific benchmarks or in aggregate milti-threading performance please see benchmark tools section on the right.

Benchmarked processor

CPU ID:0F23h
CPU vendor string:AuthenticAMD
CPU name string:AMD Athlon(tm) 7850 Dual-Core Processor

Integer performance

Part number   Result
AMD Athlon II X2 240  ? 
102.7%
AMD Athlon II X2 220  ? 
102.7%
AMD A4-3400  ? 
102.6%
AMD A4-3400 (HX)  ? 
102.5%
AMD Phenom X3 8250e  ? 
102%
AMD Athlon X2 7850  ? 
100%
AMD Athlon II X2 215 (rev. C2)  ? 
99.1%
AMD Athlon II X2 235e  ? 
99%
Intel Celeron E1500  ? 
98.6%
AMD Athlon 64 X2 5400+ (65W, BE)  ? 
96.5%
AMD Athlon X2 7750 (BE)  ? 
96.4%

Floating Point performance

Part number   Result
AMD Athlon II X2 220  ? 
100.8%
AMD Athlon II X2 240e (rev. C2)  ? 
100.7%
AMD Athlon II X2 240  ? 
100.5%
Intel Celeron G550  ? 
100.3%
Intel Pentium G620  ? 
100.2%
AMD Athlon X2 7850  ? 
100%
Intel Pentium 2.53 GHz  ? 
99%
Intel Pentium E5500  ? 
99%
Intel Pentium E6300  ? 
98.8%
Intel Pentium G2020T  ? 
98.1%
AMD A4-3400 (HX)  ? 
97.7%

MMX / SSE / SSE2 performance

Part number   Result
AMD A4-6300  ? 
101.8%
AMD Athlon II X2 240  ? 
101.4%
AMD Athlon II X2 240e (rev. C2)  ? 
101.4%
AMD Athlon 64 X2 6400+  ? 
101%
AMD Athlon II X2 220  ? 
100.5%
AMD Athlon X2 7850  ? 
100%
Intel Pentium G630T  ? 
99.9%
AMD A4-3400 (HX)  ? 
99.6%
AMD A4-3400  ? 
99.5%
Intel Celeron E3200  ? 
99%
AMD Athlon II X2 235e  ? 
97.8%

Memory-intensive program performance

Part number   Result
AMD Phenom X3 8600B (rev. B3)  ? 
101.6%
AMD A4-4020  ? 
101.3%
AMD Phenom X3 8650  ? 
101.1%
AMD Phenom X4 9350e  ? 
101%
Intel Pentium E5500  ? 
100.5%
AMD Athlon X2 7850  ? 
100%
AMD Athlon II X2 215 (rev. C2)  ? 
100%
AMD Athlon 64 X2 6400+  ? 
98.9%
Intel Pentium E5400  ? 
98.5%
AMD Athlon X2 7750 (BE)  ? 
98.1%
AMD A4-4000  ? 
97.5%

CPU ID information for the Athlon X2 7850

Our CPUID database contains 2 records for this microprocessor. See all submitted records.

Use our CPU identification tool to check features of your CPU.

NOTE: The CPU ID information below was taken from one CPU and may include features that are not present in all different steppings of the AMD Athlon X2 7850 CPU.

Manufacturer:AMD
CPU Family:Athlon X2
Model Number:7850
Frequency:2948 MHz
Part number:
AD785ZWCJ2BGH
Stepping Code:
Comment:2.8gh ovcto 3.1gh must have good cpu cooler H2O
Submitted by:Stephen M.
General information
Vendor:AuthenticAMD
Processor name (BIOS):AMD Athlon(tm) 7850 Dual-Core Processor
Cores:2
Logical processors:2
Processor type:Original OEM Processor
Core stepping:DR-B3
CPUID signature:100F23
Family:16 (010h)
Model: 2 (02h)
Stepping: 3 (03h)

Cache: L1 data L1 instruction L2 L3
Size: 2 x 64 KB 2 x 64 KB 2 x 512 KB 2 MB
Associativity: 2-way set
associative
2-way set
associative
16-way set
associative
32-way set
associative
Line size: 64 bytes 64 bytes 64 bytes 64 bytes
Lines per tag: 1 1 1 1
 
Instruction set extensionsAdditional instructions
MMX Advanced Bit manipulation
AMD extensions to MMX CLFLUSH
3DNow! CMOV
Extensions to 3DNow! CMPXCHG16B
SSE CMPXCHG8B
SSE2 FXSAVE/FXRSTORE
SSE3 MONITOR/MWAIT
SSE4A POPCNT
  PREFETCH/PREFETCHW
  RDTSCP
  SYSCALL/SYSRET
  SYSENTER/SYSEXIT
 
Major featuresOther features
On-chip Floating Point Unit 1 GB large page support
64-bit / Intel 64 100MHz multiplier control
NX bit/XD-bit 128-bit SSE instructions
Secure Virtual Machine (Virtualization) 36-bit page-size extensions
PowerNow! / Cool'n'Quiet Advanced programmable interrupt controller
  Core multi-processing legacy mode
  Debugging extensions
  Extended APIC space
  FXSAVE/FXRSTOR optimizations
  Hardware P-state control
  Hardware thermal control
  Instruction based sampling
  LAHF/SAHF support in 64-bit mode
  LBR virtualization
  LOCK MOV CR0 means MOV CR8
  Machine check architecture
  Machine check exception
  Memory-type range registers
  Misaligned SSE mode
  Model-specific registers
  Nested page tables
  OS visible workaround
  Page attribute table
  Page global extension
  Page-size extensions (4MB pages)
  Physical address extensions
  SVM lock
  Software thermal control
  Support for NRIP save
  THERMTRIP
  TSC rate is ensured to be invariant across all states
  Temperature sensor
  Time stamp counter
  Virtual 8086-mode enhancements

CPUs, related to AMD Athlon X2 7850

Model Cores /
Threads
Frequency L2
cache
L3
cache
TDP Features  
AMD Athlon X2 family, Socket AM2 / Socket AM2+
   Athlon X2 5000+ (0.045 micron)2 / 22.2 GHz1 MB 65WUnlock>
   Athlon X2 5000+ (0.045 micron OGJ)2 / 22.2 GHz1 MB 65WUnlock>
   Athlon X2 65002 / 22.3 GHz1 MB2 MB95WUnlock>
   Athlon X2 74502 / 22.4 GHz1 MB2 MB95WUnlock>
   Athlon X2 75502 / 22.5 GHz1 MB2 MB95WUnlock>
   Athlon X2 7750 (non-BE)2 / 22.7 GHz1 MB2 MB95WUnlock>
   Athlon X2 7750 (BE)2 / 22.7 GHz1 MB2 MB95WUnlock>
   Athlon X2 78502 / 22.8 GHz1 MB2 MB95WUnlock 
AMD Athlon X2 family, K10 micro-architecture, Other sockets
   Athlon X2 5200+ (0.045 micron)2 / 22.3 GHz1 MB 65WUnlock>
Other families, K10 micro-architecture, Socket AM2 / Socket AM2+
   Phenom X3 8750 (non-BE)3 / 32.4 GHz1.5 MB2 MB95WUnlock>
   Phenom X3 8750B3 / 32.4 GHz1.5 MB2 MB95WUnlock>
   Phenom X3 8750 (BE)3 / 32.4 GHz1.5 MB2 MB95WUnlock>
   Phenom X3 8850 (non-BE)3 / 32.5 GHz1.5 MB2 MB95WUnlock>
   Phenom X3 8850B3 / 32.5 GHz1.5 MB2 MB95WUnlock>
   Phenom X4 9850 (95W)4 / 42.5 GHz2 MB2 MB95WUnlock>
   Phenom X4 9850B4 / 42.5 GHz2 MB2 MB95WUnlock>
   Phenom X4 9850 (125W, BE)4 / 42.5 GHz2 MB2 MB125WUnlock>
   Phenom X4 9950 (125W)4 / 42.6 GHz2 MB2 MB125WUnlock>
   Phenom X4 9950 (140W)4 / 42.6 GHz2 MB2 MB140WUnlock>
 • Within each category, the CPUs are sorted from slower (at the top) to faster (at the bottom)
 • Background color of specs and features indicate whether they are better or worse than similar spec/feature of the Athlon X2 7850
 • Click on the >  icon to compare any CPU in the table with the AMD Athlon X2 7850 (Javascript required).
 • List of related CPUs is not complete.
 • Features abbreviations:
Unlock - Unlocked multiplier

Pictures (7)

CPU - bottom view
2009-07-22 23:00:24
Posted by: gshv

 
CPU - bottom view
Athlon X2 7850 BE CPU
2009-07-22 23:06:48
Posted by: gshv

 
Athlon X2 7850 BE CPU
Box - back view
2009-07-22 23:07:18
Posted by: gshv

 
Box - back view
Box - side view
2009-07-22 23:09:06
Posted by: gshv

 
Box - side view
Box - 3D view
2009-07-22 23:09:45
Posted by: gshv

 
Box - 3D view
Athlon X2 7850 Black Edition box
2009-07-22 23:10:33
Posted by: gshv

 
Athlon X2 7850 Black Edition box
AMD Athlon X2 7850 BE
2010-12-05 23:34:05
Posted by: Zoran Tisma

New stepping code JAARB
AMD Athlon X2 7850 BE
Comments (2)

You're welcome to post suggestions, corrections, your own personal AMD Athlon X2 7850 review, or your experience with the microprocessor. Please do not ask upgrade and troubleshooting questions, and do not start discussions.

Not as described

2009-07-30 14:04:01
Posted by: Dan

I have a retail version, and the clock multiplier is not unlocked?????

It will frequency overclock easily to 3.1GHZ, but the multiplier unlocked is the key to stability, in the overclock.

Kind of defeats the reason to even have the CPU.


Great cpu

2009-10-10 11:10:29
Posted by: goat

Bought mine back in may and haven't had any issues clocked at 3ghz 200x15 V1.3 flies threw Win7(score is 6.3) This cpu has alot more ocing potential but my mobo doesn't oc well (older biostar GF8200 m2+)

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