CPUBoss Review Our evaluation of 4650U vs 2630QM

Performance

Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?

TDP

Features

How does CPUBoss rank the features of each product?

Features and specifications that differ between products

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Differences What are the advantages of each

Front view of Intel Core i7 4650U

Reasons to consider the
Intel Core i7 4650U

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Newer manufacturing process 22 nms vs 32 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher turbo clock speed 3.3 GHz vs 2.9 GHz Around 15% higher turbo clock speed
Much lower typical power consumption 12.19W vs 36.56W 3x lower typical power consumption
More number of displays supported 3 vs 2 1 more number of displays supported
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark (Single core) score 1,838 vs 1,309 More than 40% better PassMark (Single core) score
Better performance per watt 32.79 pt/W vs 15.75 pt/W More than 2x better performance per watt
Marginally newer Jul, 2013 vs Jan, 2011 Release date over 2 years later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better overclocked clock speed (Air) 3.24 GHz vs 2.64 GHz Around 25% better overclocked clock speed (Air)
Much lower annual home energy cost 3.61 $/year vs 10.84 $/year 3x lower annual home energy cost
Front view of Intel Core i7 2630QM

Reasons to consider the
Intel Core i7 2630QM

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More l3 cache 6 MB vs 4 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Higher clock speed 2 GHz vs 1.7 GHz Around 20% higher clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher GPU clock speed 650 MHz vs 200 MHz 3.2x higher GPU clock speed
More threads 8 vs 4 Twice as many threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Much higher Maximum Operating Temperature 100 °C vs 72.6 °C Around 40% higher Maximum Operating Temperature
Much better overclocked clock speed (Water) 4.2 GHz vs 1.7 GHz Around 2.5x better overclocked clock speed (Water)
Better PassMark score 5,571 vs 4,182 Around 35% better PassMark score
Better geekbench (64-bit) score 8,005 vs 6,189 Around 30% better geekbench (64-bit) score
Better performance per dollar 1.88 pt/$ vs 1.2 pt/$ More than 55% better performance per dollar

Benchmarks Real world tests of Core i7 4650U vs 2630QM

GeekBench

Passmark

If you ran both processors at full tilt nonstop (think looped Cinebench until both batteries die) you'd probably see an even larger gap.
Core i7 4650U | by Anand-Lal-Shimpi (Jul, 2013)

Passmark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4650U  vs
2630QM 
Clock speed 1.7 GHz 2 GHz
Turbo clock speed 3.3 GHz 2.9 GHz
Cores Dual core Quad core
Is unlocked Yes No
Is hyperthreaded Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
SSE2
Supplemental SSE3
SSE4.1
SSE4
AVX 2.0
AES
Supports dynamic frequency scaling Yes Yes

gpu

GPU GPU GPU
Label Intel® HD graphics 5000 HD Graphics 3000
Number of displays supported 3 2
GPU clock speed 200 MHz 650 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR2-1066
DDR3-1066
DDR2-800
DDR3
DDR3-800
DDR2-667
DDR2
DDR
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 16,384 MB

details

Core i7 4650U  vs
2630QM 
Architecture x86-64 x86-64
Threads 4 8
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nms 32 nms
Max CPUs 1 1
Clock multiplier 24 20
Operating temperature Unknown - 72.6°C Unknown - 100°C

overclocking

Overclocked clock speed 3.24 GHz 2.64 GHz
Overclocked clock speed (Water) 1.7 GHz 4.2 GHz
Overclocked clock speed (Air) 3.24 GHz 2.64 GHz

power consumption

TDP 15W 45W
Annual home energy cost 3.61 $/year 10.84 $/year
Performance per watt 32.79 pt/W 15.75 pt/W
Typical power consumption 12.19W 36.56W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s
Intel Core i7 4650U
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Intel Core i7 2630QM
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