Intel Pentium G840 

Released April, 2011
  • 2.8 GHz
  • Dual core

Benchmarks Real world tests of the Intel Pentium G840

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Pentium G840
3,538
Core i5 4460
9,739

GeekBench 3 (Single core) Data courtesy Primate Labs

Pentium G840
1,979
Core i5 4460
3,086

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium G840
138,400 MB/s
Core i5 4460
4,300,000 MB/s
Core2 Quad Q9650
128,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Pentium G840
3,515
Core i5 4460
9,462

GeekBench (64-bit) Data courtesy Primate Labs

Pentium G840
3,906
Core i5 4460
10,351

GeekBench

Pentium G840
4,603
Core i5 4460
10,351

PassMark Data courtesy Passmark

Pentium G840
2,571
Core i5 4460
6,664

PassMark (Single Core)

Pentium G840
1,458
Core i5 4460
1,946

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Cores Dual core
Socket type LGA 1155

features

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

power consumption

TDP 65W
Annual home energy cost 27.42 $/year
Annual commercial energy cost 68.24 $/year
Performance per watt 1.93 pt/W
Idle power consumption 52.4W
Peak power consumption 77.9W
Typical power consumption 71.53W

bus

Architecture DMI
Transfer rate 5,000 MT/s

details

Architecture x86-64
Threads 2 threads
L2 cache 1 MB
L2 cache per core 0.5 MB/core
L3 cache 3 MB
L3 cache per core 1.5 MB/core
Manufacture process 32 nm
Max CPUs 1
Clock multiplier 28
Operating temperature Unknown - 69.1°C

overclocking

Overclocked clock speed 2.93 GHz
Overclocked clock speed (Water) 2.8 GHz
Overclocked clock speed (Air) 2.93 GHz

integrated graphics

GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 850 MHz
Turbo clock speed 1,100 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3
Channels Dual Channel
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 32,768 MB
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