AMD Athlon 64 3800+ (rev. CG, AW) vs Intel Core i7-875K

Specifications

	AMD Athlon 64 3800+ (rev. CG, AW)	Intel Core i7-875K
	Picture is not available
	Basic details
Market segment	Desktop
Manufacturer	AMD	Intel
Family	AMD Athlon 64	Intel Core i7
Model number	3800+	i7-875K
CPU part number	ADA3800DEP4AW	BV80605001905AM
Box part number	ADA3800AWBOX	BX80605I7875K
Introduction date	June 1, 2004	June 1, 2010
	CPU features
Core name	NewCastle	Lynnfield
Microarchitecture	K8	Nehalem
Technology (micron)	0.13	0.045
Data width (bits)	64
Socket	Socket 939	Socket 1156
Frequency (MHz)	2400	2933
Turbo Frequency (MHz)		3600 / 3467 / 3200 / 3200
Clock Multiplier	12	22
L1 cache	64 KB (code) / 64 KB (data)	128 KB (code) / 128 KB (data)
L2 cache (KB)	512	1024
L3 cache (KB)		8192
Max temperature (°C)	70
TDP (Watt)	89	95
Core voltage (V)	1.5
Cores	1	4
Threads	1	8
Multiprocessing	1
	Instruction set extensions
3DNow!	+	-
AMD64 / EM64T 64-bit technology	+
MMX	+
SSE	+
SSE2	+
SSE3	-	+
SSE4.1	-	+
SSE4.2	-	+
SSSE3 / Supplemental SSE3	-	+
	Supported technologies
Hyper-Threading	-	+
PowerNow! / Enhanced SpeedStep	+
Turbo Core / Turbo Boost	-	+
Unlocked multiplier	-	+
Virtualization	-	+
Virus Protection / Execute Disable bit	+
	Integrated Graphics
GPU Type	None

CPUIDs

The table below compares two random CPUID records for AMD Athlon 64 3800+ (rev. CG, AW) and Intel Core i7-875K 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
Manufacturer	AMD	Intel
CPU Family	Athlon 64	Core i7
Model / Processor Number	3800+	i7-875K
Frequency		2942 MHz
CWID version	0.2	0.4
Part number	ADA3800DEP4AW	BV80605001905AM
S-Spec / Stepping Code	CBAXC 0434MPMW	SLBS2
Comment	Newcastle FF0 DH7-CG
General information
Vendor	AuthenticAMD	GenuineIntel
Processor name (BIOS)	AMD Athlon(tm) 64 Processor 3800+	Intel(R) Core(TM) i7 CPU K 875 @ 2.93GHz
Cores	1	4
Logical processors	Original OEM Processor	8
Processor type	DH-CG	Original OEM Processor
CPUID signature	FF0	106E5
Family	15 (0Fh)	6 (06h)
Model	15 (0Fh)	30 (01Eh)
Stepping	0 (00h)	5 (05h)
TLB/Cache details		64-byte Prefetching Data TLB0: 2-MB or 4-MB pages, 4-way associative, 32 entries Data TLB: 4-KB Pages, 4-way set associative, 64 entries Instruction TLB: 2-MB or 4-MB pages, fully associative, 7 entries Instruction TLB: 4-KB pages, 4-way set associative, 64 entries Shared 2nd-level TLB: 4 KB pages, 4-way set associative, 512 entries
Cache
L1 data: Associativity	2-way set associative	8-way set associative
L1 data: Comments		Direct-mapped
L1 data: Line size	64 bytes
L1 data: Lines per tag	1
L1 data: Size	64 KB	4 x 32 KB
L1 instruction: Associativity	2-way set associative	4-way set associative
L1 instruction: Comments		Direct-mapped
L1 instruction: Line size	64 bytes
L1 instruction: Lines per tag	1
L1 instruction: Size	64 KB	4 x 32 KB
L2: Associativity	16-way set associative	8-way set associative
L2: Comments		Non-inclusive|Direct-mapped
L2: Line size	64 bytes
L2: Lines per tag	1
L2: Size	512 KB	4 x 256 KB
L3: Associativity		16-way set associative
L3: Comments		Inclusive|Direct-mapped|Shared between all cores
L3: Line size		64 bytes
L3: Size		8 MB
Instruction set extensions
3DNow!	+	-
AMD extensions to MMX	+	-
Extensions to 3DNow!	+	-
MMX	+
SSE	+
SSE2	+
SSE3	-	+
SSE4.1	-	+
SSE4.2	-	+
SSSE3	-	+
Additional instructions
CLFLUSH	+
CMOV	+
CMPXCHG16B	-	+
CMPXCHG8B	+
FXSAVE/FXRSTORE	+
MONITOR/MWAIT	-	+
POPCNT	-	+
RDTSCP	-	+
SYSCALL/SYSRET	+	-
SYSENTER/SYSEXIT	+
Major features
64-bit / Intel 64	+
Enhanced SpeedStep	-	+
Hyper-Threading Technology	-	+
Intel Trusted Execution technology	-	+
Intel Virtualization	-	+
NX bit/XD-bit	+
On-chip Floating Point Unit	+
PowerNow! / Cool'n'Quiet	+	-
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	-	+
Frequency ID control	+	-
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	+
Self-snoop	-	+
THERMTRIP	+	-
TSC rate is ensured to be invariant across all states	-	+
Temperature sensor	+	-
Thermal monitor	-	+
Thermal monitor 2	-	+
Thermal monitor and software controlled clock facilities	-	+
Time stamp counter	+
Virtual 8086-mode enhancements	+
Voltage ID control	+	-
xTPR Update Control	-	+

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