CPUBoss Review Our evaluation of 4900MQ vs 4800MQ among laptop CPUs (over 15W)

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

8.4

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4800MQ 

CPUBoss recommends the Intel Core i7 4800MQ  based on its value.

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Front view of Intel Core i7 4800MQ

Intel Core i7 4800MQ

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i7 4900MQ

Reasons to consider the
Intel Core i7 4900MQ

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Significantly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Slightly higher turbo clock speed 3.8 GHz vs 3.7 GHz Around 5% higher turbo clock speed
Better fire strike score 790 vs 706 More than 10% better fire strike score
Significantly 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) 4.13 GHz vs 3.78 GHz Around 10% better overclocked clock speed (Air)
Better performance per watt 22.89 pt/W vs 18.38 pt/W Around 25% better performance per watt
Front view of Intel Core i7 4800MQ

Reasons to consider the
Intel Core i7 4800MQ

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Much better performance per dollar 3.47 pt/$ vs 2.02 pt/$ More than 70% better performance per dollar

Benchmarks Real world tests of Core i7 4900MQ vs 4800MQ

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4900MQ
11.56 mHash/s
Core i7 4800MQ
11.84 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4900MQ
1.47 fps
Core i7 4800MQ
1.6 fps

Cloud Gate Data courtesy FutureMark

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench (32-bit) Data courtesy Primate Labs

3D Mark 11 (Physics)

3D Mark 06 (CPU)

Specifications Full list of technical specs

summary

Core i7 4900MQ  vs
4800MQ 
Clock speed 2.8 GHz 2.7 GHz
Turbo clock speed 3.8 GHz 3.7 GHz
Cores Quad core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 47W 47W
Annual home energy cost 11.32 $/year 11.32 $/year
Performance per watt 22.89 pt/W 18.38 pt/W
Typical power consumption 38.19W 38.19W

bus

Architecture DMI 2.0 DMI 2.0
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 4900MQ  vs
4800MQ 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 100°C

overclocking

Overclocked clock speed 4.13 GHz 3.78 GHz
Overclocked clock speed (Water) 2.8 GHz 2.7 GHz
Overclocked clock speed (Air) 4.13 GHz 3.78 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4600 Intel® HD Graphics 4600
Number of displays supported 3 3
GPU clock speed 400 MHz 400 MHz
Turbo clock speed 1,300 MHz 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3L-1333
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Intel Core i7 4900MQ
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Intel Core i7 4800MQ
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