Intel Celeron B840

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Overview
Manufacturer Intel®
Specifications ark.intel.com
Market Mobile
Family Model Celeron B840
Codename Sandy Bridge
Release Date Released September, 2011
Production Status End-of-life
Is Older older
Key Specs 1.9 GHz Dual core
Summary
Clock speed 1.9 GHz
Cores Dual-core
Voltage unknown
Multiplier 19.0x
Base Clock 100 MHz
Socket type rPGA 988B
Physical
Process Size 32 nm
Transistors 504 million
Die Size 131 mm²
Package rPGA
Features
Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions MMX SSE SSE2 SSE3 Supplemental SSE3
Supports dynamic frequency scaling Yes
Integrated Graphics
GPU GPU
Label Intel® HD Graphics
Number of displays supported 2
GPU clock speed 650 MHz
Turbo clock speed 1,000 MHz
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
Power Consumption
TDP 35W
Annual home energy cost 8.43 $/year
Performance per watt 2.03 pt/W
Typical power consumption 28.44W
Memory Controller
Memory controller Built-in
Memory type DDR3-1333 DDR3-1066 DDR3
Channels Dual Channel
Supports ECC No
Maximum bandwidth 21,333.32 MB/s
Maximum memory size 16,384 MB
Benchmarks
GeekBench 3 (Multi-core) 2,380
GeekBench 3 (Single core) 1,376
GeekBench 3 (AES single core) 89.3 MB/s
GeekBench (32-bit) 2,245
GeekBench 2,245
PassMark 1,758
PassMark (Single Core) 950
Photo
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