AMD Radeon R5 M315 vs NVIDIA GeForce 8800M GTX
Graphics Processor
| GPU model | Meso | G92 |
|---|---|---|
| GPU variant | Meso LE | NB8E-GTX-A2 |
| Architecture | GCN 3.0 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 65 nm |
| Number of transistors | 1,550 million | 754 million |
| Die size | 125 mm² | 324 mm² |
Mobile graphics
| Release date | May 5th, 2015 | Nov 1st, 2007 |
|---|---|---|
| Generation | Crystal System (R5 M300) | GeForce 8M (8000M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x8 | MXM-HE |
| Predecessor | Solar System | GeForce Go 7 |
| Successor | Mobility Radeon | GeForce 9M |
Clocks
| GPU clock | 970 MHz | 500 MHz |
|---|---|---|
| Memory clock | 900 MHz 1800 Mbps effective | 800 MHz 1600 Mbps effective |
| Shader clock | — | 1250 MHz |
Memory Configuration
| Memory size | 2 GB | 512 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 14.40 GB/s | 51.20 GB/s |
Render Configuration
| Shading units | 384 | 96 |
|---|---|---|
| TMUs | 24 | 48 |
| ROPs | 8 | 16 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | 64 KB |
| SM count | — | 12 |
Performance
| Pixel rate | 7.760 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Texture rate | 23.28 GTexel/s | 24.00 GTexel/s |
| FP16 (half) performance | 745.0 GFLOPS (1:1) | — |
| FP32 (float) performance | 745.0 GFLOPS | 240.0 GFLOPS |
| FP64 (double) performance | 46.56 GFLOPS (1:16) | — |
Dimensions & Outputs
| TDP | unknown | 65 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | MXM Module |
| Power connectors | — | None |
| Board number | — | P398 |
API Support & Features
| DirectX | 12 (12_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.0 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.0 | 4.0 |
| CUDA | — | 1.1 |
