Processor comparison
AMD FX-8100 vs AMD A10-7850K
AMD
AMD FX-8100
AMD Socket AM3+
2800 MHz
8 cores
Oct 2011
DESKTOP
VS
AMD
AMD A10-7850K
AMD Socket FM2
3700 MHz
4 cores
Jan 2014
DESKTOP
Summary
Synthetic performance index
- AMD FX-8100100%
- AMD A10-7850K113%
Relative performance
Single thread performance index
- AMD FX-8100100%
- AMD A10-7850K139%
Relative performance
Multi thread performance index
- AMD FX-8100112%
- AMD A10-7850K100%
Relative performance
Reasons to consider the AMD FX-8100
- 12% higher multi threaded performance.
Reasons to consider the AMD A10-7850K
- Much higher single threaded performance (around 39% higher), makes a noticeable performance difference in gaming and the majority of applications.
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the AMD FX-8100.
Gaming
No clear winner declared
Productivity
No clear winner declared
Specifications
Features
| AMD FX-8100 | AMD A10-7850K |
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.1 | | |
| SSE4.2 | | |
| SSE4a | | |
| AMD64 | | |
| AMD-V | | |
| AES | | |
| AVX | | |
| CLMUL | | |
| CVT16 | | |
| EVP | | |
| FMA4 | | |
| XOP | | |
| Turbo Core | | |
| HT3.1 | | |
| 3DNow! | | |
| SSE4A | | |
| CnQ | | |
| NX bit | | |
Architecture
| AMD FX-8100 | AMD A10-7850K |
| Architecture | AMD Bulldozer | AMD Steamroller |
| Market | Desktop | Desktop |
| Memory Support | DDR3 | DDR3 |
| Codename | Zambezi | Kaveri |
| Release Date | Oct 2011 | Jan 2014 |
Cores
| AMD FX-8100 | AMD A10-7850K |
| Cores | 8 | 4 |
| Threads | 8 | 4 |
| SMPs | 1 | 1 |
| Integrated Graphics | No | Radeon R7 |
Cache
| AMD FX-8100 | AMD A10-7850K |
| L1 Cache | 384 KB | 128 KB (per core) |
| L2 Cache | 8192 KB | 1024 KB (per core) |
| L3 Cache | 8192 KB (shared) | 0 KB |
Physical
| AMD FX-8100 | AMD A10-7850K |
| Socket | AMD Socket AM3+ | AMD Socket FM2 |
| Max Case Temp | unknown | 74°C |
| Package | uPGA | uPGA |
| Die Size | 315mm² | 246mm² |
| Process | 32 nm | 28 nm |
Performance
| AMD FX-8100 | AMD A10-7850K |
| Cpu Frequency | 2800 MHz | 3700 MHz |
| Turbo Clock | 3700 MHz | 4000 MHz |
| Base Clock | 200 MHz | 100 MHz |
| Voltage | 1.425 V | 1.475 V |
| TDP | 95 W | 95 W |
Raw performance index
Raw single-thread performance estimation
- AMD FX-81002183 points
- AMD A10-7850K2520 points
Points - higher is better
Raw multi-thread performance estimation
- AMD FX-810010837 points
- AMD A10-7850K7925 points
Points - higher is better
Synthetic benchmarks
GeekBench 3 (32-bit Multi Core)
- AMD FX-81007262
- AMD A10-7850K6444
points - higher is better
GeekBench 3 (32-bit Single Core)
- AMD FX-81001562
- AMD A10-7850K2173
points - higher is better