Intel Celeron B840 

Released September, 2011
  • 1.9 GHz
  • Dual core

Benchmarks Real world tests of the Intel Celeron B840

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Celeron B840
2,380

GeekBench 3 (Single core) Data courtesy Primate Labs

Celeron B840
1,376

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron B840
89.3 MB/s
Core i5 3320M
2,140,000 MB/s
Core i3 3110M
125,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Celeron B840
2,245

GeekBench

Celeron B840
2,245

PassMark Data courtesy Passmark

Celeron B840
1,782

PassMark (Single Core)

Celeron B840
954

Specifications Full list of technical specs

summary

Clock speed 1.9 GHz
Cores Dual core
Socket type rPGA 988B

features

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

power consumption

TDP 35W
Annual home energy cost 8.43 $/year
Performance per watt 2.47 pt/W
Typical power consumption 28.44W

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 2 MB
L3 cache per core 1 MB/core
Manufacture process 32 nm
Max CPUs 1
Clock multiplier 19
Operating temperature Unknown - 100°C

overclocking

Overclocked clock speed 1.9 GHz
Overclocked clock speed (Water) 1.9 GHz
Overclocked clock speed (Air) 1.9 GHz

integrated graphics

GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 650 MHz
Turbo clock speed 1,000 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1333
  2. DDR3-1066
  3. DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 16,384 MB
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