CPUBoss Review Our evaluation of E8400 vs 2100 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

8

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Duo E8400 

CPUBoss recommends the Intel Core2 Duo E8400  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 1 GHz 3x higher clock speed
Much better geekbench 2 (32-bit) score 2,826 vs 855 More than 3.2x better geekbench 2 (32-bit) score
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.22 GHz vs 1 GHz Around 4.2x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,251 vs 363 Around 3.5x better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.23 GHz vs 1 GHz Around 4.2x better overclocked clock speed (Water)
Better PassMark score 2,160 vs 627 Around 3.5x better PassMark score
Front view of AMD E1 2100

Reasons to consider the
AMD E1 2100

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Much newer manufacturing process 28 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better CompuBench 1.5 bitcoin mining score 9.64 mHash/s vs 2.41 mHash/s More than 4x better CompuBench 1.5 bitcoin mining score
Much better performance per watt 16.08 pt/W vs 1.83 pt/W More than 8.8x better performance per watt
Much lower typical power consumption 7.31W vs 52.81W 7.2x lower typical power consumption
Newer Apr, 2013 vs Jan, 2008 Release date over 5 years later
Significantly higher Maximum operating temperature 90 °C vs 72.4 °C Around 25% higher Maximum operating temperature
Much lower annual home energy cost 2.17 $/year vs 15.66 $/year 7.2x lower annual home energy cost
Much lower annual commercial energy cost 7.88 $/year vs 56.94 $/year 7.2x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8400 vs E1 2100

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core2 Duo E8400
2.41 mHash/s
E1 2100
9.64 mHash/s

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 E8400
128,000 MB/s
E1 2100
494,700 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 E8400  vs
E1 2100 
Clock speed 3 GHz 1 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
SSE4.2
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 9W
Annual home energy cost 15.66 $/year 2.17 $/year
Annual commercial energy cost 56.94 $/year 7.88 $/year
Performance per watt 1.83 pt/W 16.08 pt/W
Typical power consumption 52.81W 7.31W

details

Core2 Duo E8400  vs
E1 2100 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 28 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 90°C

overclocking

Overclocked clock speed 4.22 GHz 1 GHz
Overclocked clock speed (Water) 4.23 GHz 1 GHz
Overclocked clock speed (Air) 4.22 GHz 1 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 8210
Latest DirectX N/A 11.0
GPU clock speed N/A 300 MHz
Intel Core2 Duo E8400
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AMD E1 2100
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