CPUBoss Review Our evaluation of E8400 vs 1800 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

7.4

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 1.7 GHz More than 75% higher clock speed
Much better geekbench 2 (32-bit) score 2,826 vs 1,093 More than 2.5x 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 1.72 GHz Around 2.5x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,251 vs 448 More than 2.8x better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.23 GHz vs 1.7 GHz Around 2.5x better overclocked clock speed (Water)
Better PassMark score 2,160 vs 822 Around 2.8x better PassMark score
Front view of AMD E2 1800

Reasons to consider the
AMD E2 1800

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better CompuBench 1.5 bitcoin mining score 7.42 mHash/s vs 2.41 mHash/s More than 3x better CompuBench 1.5 bitcoin mining score
Much lower typical power consumption 14.63W vs 52.81W 3.6x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 72.4 °C Around 40% higher Maximum operating temperature
Newer Jun, 2012 vs Jan, 2008 Release date over 4 years later
Much lower annual home energy cost 4.34 $/year vs 15.66 $/year 3.6x lower annual home energy cost
Much lower annual commercial energy cost 15.77 $/year vs 56.94 $/year 3.6x lower annual commercial energy cost
Better performance per watt 2.71 pt/W vs 1.83 pt/W Around 50% better performance per watt

Benchmarks Real world tests of Core2 Duo E8400 vs E2 1800

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core2 Duo E8400
2.41 mHash/s
E2 1800
7.42 mHash/s

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E2 1800
1,184

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E8400
128,000 MB/s
E2 1800
55,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

E2 1800
1,093

GeekBench

E2 1800
1,628

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
E2 1800 
Clock speed 3 GHz 1.7 GHz
Cores Dual core Dual core

features

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

power consumption

TDP 65W 18W
Annual home energy cost 15.66 $/year 4.34 $/year
Annual commercial energy cost 56.94 $/year 15.77 $/year
Performance per watt 1.83 pt/W 2.71 pt/W
Typical power consumption 52.81W 14.63W

details

Core2 Duo E8400  vs
E2 1800 
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 9 5
Voltage range 0.85 - 1.36V 0.88 - 1.35V
Operating temperature Unknown - 72.4°C Unknown - 100°C

overclocking

Overclocked clock speed 4.22 GHz 1.72 GHz
Overclocked clock speed (Water) 4.23 GHz 1.7 GHz
Overclocked clock speed (Air) 4.22 GHz 1.72 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7340
Latest DirectX N/A 11.0
GPU clock speed N/A 523 MHz
Turbo clock speed N/A 680 MHz
Intel Core2 Duo E8400
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AMD E2 1800
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