CPUBoss Review Our evaluation of E2140 vs 925 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

4.8

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium D 925 

CPUBoss recommends the Intel Pentium D 925  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 E2140

Reasons to consider the
Intel Pentium E2140

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Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Better performance per dollar 0.96 pt/$ vs 0.76 pt/$ More than 25% better performance per dollar
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer Apr, 2007 vs Jul, 2006 Release date 8 months later
Front view of Intel Pentium D 925

Reasons to consider the
Intel Pentium D 925

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Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 1.6 GHz More than 85% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Significantly better overclocked clock speed (Air) 4.23 GHz vs 3 GHz More than 40% better overclocked clock speed (Air)
Better PassMark (Single core) score 751 vs 585 Around 30% better PassMark (Single core) score
Significantly better overclocked clock speed (Water) 4.4 GHz vs 3.06 GHz Around 45% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium E2140 vs D 925

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E2140  vs
D 925 
Clock speed 1.6 GHz 3 GHz
Cores Dual core Dual core
Socket type
LGA 775
P

features

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

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 0.99 pt/W 0.59 pt/W
Typical power consumption 52.81W 77.19W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz

details

Pentium E2140  vs
D 925 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 1 MB 4 MB
L2 cache per core 0.5 MB/core 2 MB/core
Manufacture process 65 nm 65 nm
Transistor count 105,000,000 376,000,000
Max CPUs 1 1
Clock multiplier 8 15
Voltage range 0.85 - 1.5V 1.2 - 1.34V
Operating temperature Unknown - 61.4°C Unknown - 63.4°C

overclocking

Overclocked clock speed 3 GHz 4.23 GHz
Overclocked clock speed (Water) 3.06 GHz 4.4 GHz
Overclocked clock speed (Air) 3 GHz 4.23 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
Intel Pentium E2140
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Intel Pentium D 925
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