Intel Celeron B820 

Released July, 2012
  • 1.7 GHz
  • Dual core
6.4 Out of 10

CPUBoss Review Our evaluation of the Intel Celeron B820 among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

Celeron B820
5.4
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Celeron B820
5.8
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Celeron B820
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Celeron B820
n.d.
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Celeron B820
5.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Celeron B820
8.5
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

6.4

CPUBoss Score

Combination of all six facets

Celeron B820
6.4

Benchmarks Real world tests of the Intel Celeron B820

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Celeron B820
2,219
Pentium B960
2,755

GeekBench 3 (Single core) Data courtesy Primate Labs

Celeron B820
1,287
Pentium B960
1,575

GeekBench 3 (AES single core) Data courtesy Primate Labs

Celeron B820
84,100 MB/s
Core i3 3110M
125,500 MB/s
Pentium B960
108,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Celeron B820
2,124
Pentium B960
2,637

GeekBench

Celeron B820
2,792
Pentium B960
4,781

PassMark Data courtesy Passmark

Celeron B820
1,478
Pentium B960
1,872

PassMark (Single Core)

Celeron B820
826
Pentium B960
1,054

Specifications Full list of technical specs

summary

Clock speed 1.7 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. SSE4.1
  5. SSE3
  6. Supplemental SSE3
  7. SSE4.2
  8. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 35W
Annual home energy cost 8.43 $/year
Performance per watt 2.98 pt/W
Typical power consumption 28.44W

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

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 17
Operating temperature Unknown - 100°C

overclocking

Overclocked clock speed 1.7 GHz
Overclocked clock speed (Water) 1.7 GHz
PassMark (Overclocked) 828.3
Overclocked clock speed (Air) 1.7 GHz

integrated graphics

GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 650 MHz
Turbo clock speed 1,050 MHz

bus

Architecture DMI
Transfer rate 5,000 MT/s
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