CPUBoss Review Our evaluation of E6700 vs 2800+ among desktop CPUs (45 to 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

2.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Duo E6700 

CPUBoss recommends the Intel Core2 Duo E6700  based on its performance, single-core performance and overclocking.

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VS

Differences What are the advantages of each

Front view of Intel Core2 Duo E6700

Reasons to consider the
Intel Core2 Duo E6700

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Much more l2 cache 4 MB vs 0.5 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.66 GHz vs 1.6 GHz More than 65% higher clock speed
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark score 1,703 vs 398 More than 4.2x better PassMark score
Much better PassMark (Single core) score 995 vs 487 More than 2x better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,396 vs 682 More than 3.5x better geekbench 2 (32-bit) score
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much better performance per watt 1.69 pt/W vs 0.44 pt/W More than 3.8x better performance per watt
Much better overclocked clock speed (Air) 3.35 GHz vs 2.36 GHz More than 40% better overclocked clock speed (Air)
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Water) 3.6 GHz vs 1.8 GHz Around 2x better overclocked clock speed (Water)
Newer Jul, 2006 vs Jul, 2004 Release date over 1 years later
Front view of AMD Sempron 2800+

Reasons to consider the
AMD Sempron 2800+

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Much higher Maximum operating temperature 70 °C vs 60.1 °C More than 15% higher Maximum operating temperature

Benchmarks Real world tests of Core2 Duo E6700 vs Sempron 2800+

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

Core2 Duo E6700
113,800 MB/s
Sempron 2800+
43.2 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E6700  vs
Sempron 2800+ 
Clock speed 2.66 GHz 1.6 GHz
Cores Dual core Single core
Socket type
LGA 775
754
AM2
462

features

Has a NX bit Yes Yes
Has virtualization support Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 62W
Annual home energy cost 15.66 $/year 14.94 $/year
Annual commercial energy cost 56.94 $/year 54.31 $/year
Performance per watt 1.69 pt/W 0.44 pt/W
Typical power consumption 52.81W 50.38W

details

Core2 Duo E6700  vs
Sempron 2800+ 
Architecture x86-64 x86
Threads 2 1
L2 cache 4 MB 0.5 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 60.1°C Unknown - 70°C

overclocking

Overclock popularity 7 1
Overclocked clock speed 3.35 GHz 2.36 GHz
Overclocked clock speed (Water) 3.6 GHz 1.8 GHz
Overclocked clock speed (Air) 3.35 GHz 2.36 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

bus

Clock speed 1,066 MHz 200 MHz
Intel Core2 Duo E6700
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AMD Sempron 2800+
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