Today we'll take a closer look at AMD FX-8350, the top processor of the Vishera series, based on the Piledriver microarchitecture.
Testbeds
CPU |
FX-8350 |
FX-8150 |
A10-5800K |
Phenom II X6 1100T |
Core |
Vishera |
Zambezi |
Trinity |
Thuban |
Process technology, nm |
32 |
32 |
32 |
45 |
Core clock (std/max), GHz |
4.0/4.2 |
3.6/4.2 |
3.8/4.2 |
3.3/3.7 |
Cores/threads |
8/8 |
8/8 |
4/4 |
6/6 |
L1 cache (sum), I/D, KB (per core) |
256/128 |
256/128 |
128/64 |
384/384 |
L2 cache, KB |
4 x 2048 |
4 x 2048 |
2 x 2048 |
6 x 512 |
L3 cache, MB |
8 |
8 |
- |
6 |
Uncore clock, GHz |
2.2 |
2.2 |
- |
2.0 |
RAM |
2 x DDR3-1866 |
2 x DDR3-1866 |
2 x DDR3-1866 |
2 x DDR3-1333 |
GPU |
- |
- |
Radeon HD 7660D |
- |
Socket |
AM3+ |
AM3+ |
FM2 |
AM3 |
TDP, W |
125 |
125 |
100 |
125 |
Firstly, we'll compare the newer top AMD FX-8350 with the older top AMD FX-8150. As you see, they have similar specifications: four 32-nm modules with a large L3 cache, the same TDP and Turbo mode core/cache frequencies. However, the novelty's base clock has increased by more than 10 percent, so we expect it to have a significant advantage in multi-threading tasks (as opposed to single-threading tasks, where only architecture improvements can help).
We have also thrown in an AMD A10-5800K. Though it belongs to a different class of processors, it has the same architecture and similar frequencies, so it'll be interesting to compare the CPUs in few-threading tests. Moreover, if you're satisfied with the overall price/performance ratio of the cheaper A10-5800K, you won't have to look for a more expensive processor.
The fourth CPU, Phenom II X6 1100T, has outperformed the FX-8150 in some tests. Therefore, such a comparison with the today's CPU looks interesting as well.
CPU |
Core i5-2500 |
Core i5-3570K |
Core i7-2600 |
Core i7-3770K |
Core |
Sandy Bridge |
Ivy Bridge |
Sandy Bridge |
Ivy Bridge |
Process technology, nm |
32 |
22 |
32 |
22 |
Core clock (std/max), GHz |
3.3/3.7 |
3.4/3.8 |
3.4/3.8 |
3.5/3.9 |
Cores/threads |
4/4 |
4/4 |
4/8 |
4/8 |
L1 cache (sum), I/D, KB |
128/128 |
128/128 |
128/128 |
128/128 |
L2 cache, KB |
4 x 256 |
4 x 256 |
4 x 256 |
4 x 256 |
L3 cache, MB |
6 |
6 |
8 |
8 |
Uncore clock, GHz |
3.3 |
3.4 |
3.4 |
3.5 |
RAM |
2 x DDR3-1333 |
2 x DDR3-1600 |
2 x DDR3-1333 |
2 x DDR3-1600 |
GPU |
HD 2000 |
HD 4000 |
HD 2000 |
HD 4000 |
Socket |
LGA1155 |
LGA1155 |
LGA1155 |
LGA1155 |
TDP, W |
95 |
77 |
95 |
77 |
We compared AMD FX-8150 with Intel Core i5-2500 and Core i7-2600, because it had fit just between them in terms of price but then became as cheap as low-range Core i5 models, yielding its original position to AMD FX-8350 and FX-8320. Judging by the price, the latter pair should be compared with upper-range Core i5 CPUs, but we'll take Intel Core i5-3570K as well as Core i7-3770K to provide a more comprehensive overview.
Socket |
Motherboard |
RAM |
FM2 |
MSI FM2-A85XA-G65 (A85) |
G.Skill [RipjawsX] F3-14900CL9D-8GBXL (2x1866; 9-10-9-28) |
AM3+ |
ASUS Crosshair V Formula (990FX) |
G.Skill [RipjawsX] F3-14900CL9D-8GBXL (2x1866; 9-10-9-28) |
AM3 |
ASUS M4A78T-E |
Corsair Vengeance CMZ8GX3M2A1600C9B (2x1333; 9-9-9-24-2T, Unganged Mode) |
LGA1155 |
Biostar TH67XE (H67) |
Corsair Vengeance CMZ8GX3M2A1600C9B (2x1333/1066; 9-9-9-24/8-8-8-20) |
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