AMD Radeon RX 640 Mobile vs AMD Radeon RX Vega 64 Liquid Cooling
Graphics Processor
| GPU model | Polaris 23 | Vega 10 |
|---|---|---|
| GPU variant | Polaris 23 XT | Vega 10 XTX |
| Architecture | GCN 4.0 | GCN 5.0 |
| Foundry | GlobalFoundries | GlobalFoundries |
| Manufacturing process | 14 nm | 14 nm |
| Number of transistors | 2,200 million | 12,500 million |
| Die size | 103 mm² | 495 mm² |
Mobile graphics
| Release date | May 13th, 2019 | — |
|---|---|---|
| Generation | Mobility Radeon (M600) | — |
| Production | Active | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Crystal System | — |
Clocks
| Base clock | 1082 MHz | 1406 MHz |
|---|---|---|
| Boost clock | 1218 MHz | 1677 MHz |
| Memory clock | 1500 MHz 6 Gbps effective | 945 MHz 1890 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | HBM2 |
| Memory bus width | 64 bit | 2048 bit |
| Bandwidth | 48.00 GB/s | 483.8 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 | 512 KB | 4 MB |
Performance
| Pixel rate | 19.49 GPixel/s | 107.3 GPixel/s |
|---|---|---|
| Texture rate | 48.72 GTexel/s | 429.3 GTexel/s |
| FP16 (half) performance | 1.559 TFLOPS (1:1) | 27.48 TFLOPS (2:1) |
| FP32 (float) performance | 1.559 TFLOPS | 13.74 TFLOPS |
| FP64 (double) performance | 97.44 GFLOPS (1:16) | 858.6 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 50 W | 345 W |
| Outputs | No outputs | 1x HDMI3x DisplayPort |
| Power connectors | None | 2x 8-pin |
| Length | — | 272 mm 10.7 inches |
| Width | — | 112 mm 4.4 inches |
| Height | — | 40 mm 1.6 inches |
| Suggested PSU | — | 700 W |
| Board number | — | D05005 |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.4 |
Other Features
Graphics Card
| Release date | — | Aug 7th, 2017 |
|---|---|---|
| Generation | — | Vega |
| Predecessor | — | Polaris |
| Successor | — | Navi |
| Production | — | Active |
| Launch price | — | 699 USD |
| Interface | — | PCIe 3.0 x16 |
