CPUBoss Review Our evaluation of 975 vs 8374 HE among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.2

CPUBoss Score

Combination of all six facets

Winner
AMD Opteron 8374 HE 

CPUBoss recommends the AMD Opteron 8374 HE  based on its power consumption.

See full details

Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Intel Core i7 975

Reasons to consider the
Intel Core i7 975

Report a correction
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Significantly higher clock speed 3.33 GHz vs 2.2 GHz More than 50% higher clock speed
Much better overclocked clock speed (Air) 4.47 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Air)
Significantly better geekbench 3 single core score 2,324 vs 1,080 Around 2.2x better geekbench 3 single core score
Significantly better geekbench 3 Multi-Core score 9,214 vs 7,210 Around 30% better geekbench 3 Multi-Core score
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Higher Maximum operating temperature 67.9 °C vs 55 °C Around 25% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.45 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Water)
Newer Jun, 2009 vs Jan, 2009 Release date 4 months later
Front view of AMD Opteron 8374 HE

Reasons to consider the
AMD Opteron 8374 HE

Report a correction
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much lower typical power consumption 44.69W vs 212W 4.7x lower typical power consumption
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower annual home energy cost 13.25 $/year vs 82.69 $/year 6.2x lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 211.12 $/year 4.4x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better performance per watt 2.67 pt/W vs 0.93 pt/W Around 3x better performance per watt

Benchmarks Real world tests of Core i7 975 vs Opteron 8374 HE

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 975
152,250 MB/s
Opteron 8374 HE
87,800 MB/s

Specifications Full list of technical specs

summary

Core i7 975  vs
Opteron 8374 HE 
Clock speed 3.33 GHz 2.2 GHz
Cores Quad core Quad core
Socket type
LGA 1366
F
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 55W
Annual home energy cost 82.69 $/year 13.25 $/year
Annual commercial energy cost 211.12 $/year 48.18 $/year
Performance per watt 0.93 pt/W 2.67 pt/W
Typical power consumption 212W 44.69W

bus

Clock speed 3,200 MHz 2,000 MHz

details

Core i7 975  vs
Opteron 8374 HE 
Threads 8 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 8
Clock multiplier 25 11
Voltage range 0.8 - 1.38V 1 - UnknownV
Operating temperature 5 - 67.9°C 0 - 55°C

overclocking

Overclocked clock speed 4.47 GHz 2.2 GHz
Overclocked clock speed (Water) 4.45 GHz 2.2 GHz
Overclocked clock speed (Air) 4.47 GHz 2.2 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Core i7 975
Report a correction
AMD Opteron 8374 HE
Report a correction

Read more

Comments

comments powered by Disqus