CPUBoss Review Our evaluation of E2140 vs E4500 among desktop CPUs (45 to 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

2.6

CPUBoss Score

Combination of all six facets

Winner
Intel Core2 Duo E4500 

CPUBoss recommends the Intel Core2 Duo E4500  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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CPUBoss is not aware of any important advantages of the Pentium E2140 vs the Core2 Duo E4500.

Front view of Intel Core2 Duo E4500

Reasons to consider the
Intel Core2 Duo E4500

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 2.2 GHz vs 1.6 GHz Around 40% higher clock speed
Much better PassMark (Single core) score 817 vs 585 Around 40% better PassMark (Single core) score
Much better performance per watt 1.38 pt/W vs 0.99 pt/W Around 40% better performance per watt
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much higher Maximum operating temperature 73.3 °C vs 61.4 °C Around 20% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.16 GHz vs 3 GHz More than 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.52 GHz vs 3.06 GHz More than 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Pentium E2140 vs Core2 Duo E4500

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 E2140
68,300 MB/s
Core2 Duo E4500
93,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 11 (Physics)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E2140  vs
Core2 Duo E4500 
Clock speed 1.6 GHz 2.2 GHz
Cores Dual core Dual core
Socket type
LGA 775

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 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 0.99 pt/W 1.38 pt/W
Typical power consumption 52.81W 52.81W

bus

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

details

Pentium E2140  vs
Core2 Duo E4500 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 65 nm
Transistor count 105,000,000 167,000,000
Max CPUs 1 1
Clock multiplier 8 11
Voltage range 0.85 - 1.5V 0.85 - 1.5V
Operating temperature Unknown - 61.4°C Unknown - 73.3°C

overclocking

Overclock popularity 4 9
Overclocked clock speed 3 GHz 3.16 GHz
Overclocked clock speed (Water) 3.06 GHz 3.52 GHz
Overclocked clock speed (Air) 3 GHz 3.16 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 Core2 Duo E4500
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