Core i7-3820 and Core i7-3930K Radeon HD 7970 Gaming Performance
Published by Marc Büchel on 28.02.12Page:
This time we're going to check gaming performance of two LGA 2011 processors. The first CPU is a quad core i7-3820 which runs at 3.60 GHz default and comes with ten megabyte L3 cache. The second CPU is a core i7-3930K which does 3.2 GHz and features twelve megabyte L3 cache. At this point we're quite curious what might be the difference in gaming performance between these quite different CPUs.
Specifications
| i7-3930K | i7-3820 | |
| Codename | Sandy Bridge E | Sandy Bridge |
| Socket | LGA 2011 | LGA 2011 |
| Manufacturing | 32 nm | 32 nm |
| Transistors | 2.27 Billion | 1.27 Billion |
| Die-size | 435 mm2 | 295 mm2 |
| Clock | 3.20 GHz (Turbo 3.80 GHz) | 3.60 GHz (Turbo 3.90 GHz) |
| Cores / Threads | 6C / 12T | 4C / 8T |
| Turbo | Yes (2.0) | Yes (2.0) |
| Bus Speed | 100 MHz | 100 MHz |
| Memory | DDR3 | DDR3 |
| Memory controller | Quad Channel | Quad Channel |
| QPI | 6.4 GT/s | 6.4 GT/s |
| L1 Execution Cache | 32 KByte | 32 KByte |
| L1 Data Cache | 32 KByte | 32 KByte |
| L2 Cache | 256 KByte | 256 KByte |
| L3 Cache | 12 MB shared | 10 MB shared |
| TDP | 130 Watt | 130 Watt |
| C1E technology | Yes | Yes |
| Enhanced Intel Speed Step | Yes | Yes |
| Virtualisation | Vanderpool | Vanderpool |
| Instruction sets | MMX, SSE, SSE2, SSE3 SSE4.2, AVX, AES EM64T |
MMX, SSE, SSE2, SSE3 SSE4.2, AVX, AES EM64T |
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