AMD Phenom II X4 840
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AMD Phenom II X4 840


7.5/10
Overall rating 7.5/10

The 3.2GHz AMD Phenom II X4 840 is based on AMD's Propus core and has a maximum TDP of 95W. It retails for under US$100 at launch.

Performance:
7
Features:
7.5
Value:
7.5
THE GOOD
Competitive price and performance against the AMD Athlon II X4 series
THE BAD
It's an Athlon II X4 inside; Phenom II branding is inappropriate

Product Specification

Processor Name AMD Phenom II X4 840 Processor
Processor Model X4 840
Rated Processor Frequency 3.2GHz
No. of Cores 4
Base Clock 200MHz
Bus Type HyperTransport 3.0
Bus Speed 2.0GHz
L1 Cache (data + instruction) 64K of L1 instruction and 64K of L1 data cache per core
L2 Cache 512KB of L2 data cache per core
Memory Controller Integrated Dual Channel (up to DDR3-1333)
TDP (W) 95W
Instruction Set Support MMX, SSE, SSE2, SSE3, SSE4a
Execute Disable Bit Yes
64-bit Processing Technology Yes
Enhanced Intel SpeedStep Technology (EIST) / AMD Cool 'n' Quiet Yes
Virtualization Technology AMD-V
Packaging Socket AM3
Process Technology 45nm SOI
Processor Codename Propus
No. of Transistors 300 million