CPUBoss Review Our evaluation of E8400 vs 450 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 1.65 GHz More than 80% higher clock speed
Much better geekbench 2 (32-bit) score 2,826 vs 1,056 Around 2.8x 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
Significantly better PassMark (Single core) score 1,251 vs 431 Around 3x better PassMark (Single core) score
Better PassMark score 2,160 vs 770 More than 2.8x better PassMark score
Front view of AMD E 450

Reasons to consider the
AMD E 450

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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 9.69 mHash/s vs 2.41 mHash/s More than 4x better CompuBench 1.5 bitcoin mining score
Much lower typical power consumption 14.63W vs 52.81W 3.6x lower typical power consumption
Newer manufacturing process 40 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher Maximum operating temperature 90 °C vs 72.4 °C Around 25% higher Maximum operating temperature
Newer Aug, 2011 vs Jan, 2008 Release date over 3 years later
Better performance per watt 2.98 pt/W vs 1.83 pt/W Around 65% better performance per watt
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

Benchmarks Real world tests of Core2 Duo E8400 vs E 450

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core2 Duo E8400
2.41 mHash/s
E 450
9.69 mHash/s

GeekBench 3 (Multi-core) Data courtesy Primate Labs

E 450
1,127

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E8400
128,000 MB/s
E 450
53,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

E 450
1,056

GeekBench (64-bit) Data courtesy Primate Labs

E 450
1,181

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
E 450 
Clock speed 3 GHz 1.65 GHz
Cores Dual core Dual core
Socket type
LGA 775
Super 7

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

bus

Clock speed 1,333 MHz 100 MHz

details

Core2 Duo E8400  vs
E 450 
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 40 nm
Max CPUs 1 1
Clock multiplier 9 25
Operating temperature Unknown - 72.4°C Unknown - 90°C

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6320
Latest DirectX N/A 11.0
GPU clock speed N/A 508 MHz
Turbo clock speed N/A 600 MHz

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 2.98 pt/W
Typical power consumption 52.81W 14.63W
Intel Core2 Duo E8400
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AMD E 450
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