CPUBoss Review Our evaluation of B950 vs E8400 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

7.1

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 Pentium B950

Reasons to consider the
Intel Pentium B950

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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
Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Higher Maximum operating temperature 85 °C vs 72.4 °C More than 15% higher Maximum operating temperature
Newer Apr, 2011 vs Jan, 2008 Release date over 3 years later
Better performance per watt 2.84 pt/W vs 1.83 pt/W More than 55% better performance per watt
Better performance per dollar 0.74 pt/$ vs 0.67 pt/$ More than 10% better performance per dollar
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
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
Significantly higher clock speed 3 GHz vs 2.1 GHz Around 45% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.22 GHz vs 2.1 GHz More than 2x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark (Single core) score 1,251 vs 989 More than 25% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.23 GHz vs 2.1 GHz More than 2x better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium B950 vs Core2 Duo E8400

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

Pentium B950
103,500 MB/s
Core2 Duo E8400
128,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium B950  vs
Core2 Duo E8400 
Clock speed 2.1 GHz 3 GHz
Cores Dual core Dual core
Socket type
rPGA 988A
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 35W 65W
Annual home energy cost 8.43 $/year 15.66 $/year
Annual commercial energy cost 30.66 $/year 56.94 $/year
Performance per watt 2.84 pt/W 1.83 pt/W
Typical power consumption 28.44W 52.81W

details

Pentium B950  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 6 MB
L2 cache per core 0.5 MB/core 3 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Clock multiplier 21 9
Operating temperature Unknown - 85°C Unknown - 72.4°C

overclocking

Overclocked clock speed 2.1 GHz 4.22 GHz
Overclocked clock speed (Water) 2.1 GHz 4.23 GHz
Overclocked clock speed (Air) 2.1 GHz 4.22 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,100 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1
Intel Pentium B950
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Intel Core2 Duo E8400
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