CPU Guide
Add to WishlistAMD Phenom II X4 840
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.
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HWZ's Overall Rating: 7.5
User's Rating: N/A
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 |
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