Full view of a parts catalogue asset.
| Specifications | Value |
|---|---|
| vendor | amd |
| manufacturer | AMD |
| gpu name | Polaris 23 |
| architecture | GCN 4.0 |
| generation | Polaris(RX 600) |
| release date | 2020-04-09 |
| memory size gb | 4 |
| memory type | GDDR5 |
| memory bus bits | 128 |
| memory bandwidth gb s | 96 |
| tdp w | 50 |
| slot | Single-slot |
| fp32 tflops | 1.66 |
| Field | Value |
|---|---|
| foundry | GlobalFoundries |
| processSize | 14 |
| transistors | 2.2 |
| transistorDensity | 21.4 |
| dieSize | 103 |
| chipPackage | BGA-769 |
| busInterface | PCIe 3.0 x8 |
| baseClock | 1295 |
| boostClock | 1295 |
| memoryClock | 1500 |
| shaders | 640 |
| tmus | 40 |
| rops | 16 |
| l1Cache | 16 |
| l2Cache | 0.5 |
| suggestedPSU | 250 |
| displayOutputs | 1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a |
| pixelRate | 20.72 |
| textureRate | 51.8 |
| fp16 | 1.66 |
| fp64 | 0.1 |
| directX | 12.0 |
| openGL | 4.6 |
| vulkan | 1.3 |
| openCL | 2.1 |
| shaderModel | 6.7 |
| wavefrontSize | 64 |
| maxWorkGroupSize | 1024 |
| ldsPerCU | 65536 |
| computeUnits | 10 |
| Market Item | Status | Match | Confidence | Link Status |
|---|---|---|---|---|
| Radeon RX 6400 | observed | variant | 60% | proposed |
| Source | rightnow_gpu_database |
| Source Asset ID | amd-radeon-rx-640-oem |
| Model | Radeon RX 640 OEM |
| Benchmark | — |
| Created | 05/06/2026 00:25:55 |
| Updated | 05/06/2026 00:25:55 |