AMD Radeon R9 M275X vs AMD Radeon RX Vega Nano
Graphics Processor
| GPU model | Venus | Vega 10 |
|---|---|---|
| GPU variant | Venus XTX | Vega 10 XT (215-0894200) |
| Architecture | GCN 1.0 | GCN 5.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 1,500 million | 12,500 million |
| Die size | 123 mm² | 495 mm² |
Mobile graphics
| Release date | Jan 28th, 2014 | — |
|---|---|---|
| Generation | Crystal System (R9 M200) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Predecessor | Solar System | — |
| Successor | Mobility Radeon | — |
Clocks
| Base clock | 900 MHz | 1247 MHz |
|---|---|---|
| Boost clock | 925 MHz | 1546 MHz |
| Memory clock | 1125 MHz 4.5 Gbps effective | 800 MHz 1600 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | HBM2 |
| Memory bus width | 128 bit | 2048 bit |
| Bandwidth | 72.00 GB/s | 409.6 GB/s |
Render Configuration
| Shading units | 640 | 4096 |
|---|---|---|
| TMUs | 40 | 256 |
| ROPs | 16 | 64 |
| Compute units | 10 | 64 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 4 MB |
Performance
| Pixel rate | 14.80 GPixel/s | 98.94 GPixel/s |
|---|---|---|
| Texture rate | 37.00 GTexel/s | 395.8 GTexel/s |
| FP32 (float) performance | 1,184 GFLOPS | 12.66 TFLOPS |
| FP64 (double) performance | 74.00 GFLOPS (1:16) | 791.6 GFLOPS (1:16) |
Dimensions & Outputs
| TDP | unknown | 175 W |
|---|---|---|
| Outputs | No outputs | 1x HDMI3x DisplayPort |
| Slot width | — | Dual-slot |
| Length | — | 152 mm 6 inches |
| Width | — | 111 mm 4.4 inches |
| Suggested PSU | — | 450 W |
| Power connectors | — | 1x 8-pin |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
Other Features
Graphics Card
| Release date | — | Never Released |
|---|---|---|
| Generation | — | Vega |
| Predecessor | — | Polaris |
| Successor | — | Navi |
| Production | — | unknown |
| Interface | — | PCIe 3.0 x16 |
