AMD Radeon RX 640 Mobile vs ATI Radeon HD 3200 Mobile IGP
Graphics Processor
| GPU model | Polaris 23 | RS780 |
|---|---|---|
| GPU variant | Polaris 23 XT | RS780M |
| Architecture | GCN 4.0 | TeraScale |
| Foundry | GlobalFoundries | — |
| Manufacturing process | 14 nm | 65 nm |
| Number of transistors | 2,200 million | 180 million |
| Die size | 103 mm² | 85 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 | — |
|---|---|---|
| Boost clock | 1218 MHz | — |
| Memory clock | 1500 MHz 6 Gbps effective | System Shared |
| GPU clock | — | 380 MHz |
Memory Configuration
| Memory size | 2 GB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 48.00 GB/s | System Dependent |
Render Configuration
| Shading units | 640 | 40 |
|---|---|---|
| TMUs | 40 | 4 |
| ROPs | 16 | 4 |
| Compute units | 10 | 2 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
Performance
| Pixel rate | 19.49 GPixel/s | 1.520 GPixel/s |
|---|---|---|
| Texture rate | 48.72 GTexel/s | 1.520 GTexel/s |
| FP16 (half) performance | 1.559 TFLOPS (1:1) | — |
| FP32 (float) performance | 1.559 TFLOPS | 30.40 GFLOPS |
| FP64 (double) performance | 97.44 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| TDP | 50 W | unknown |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
API Support & Features
| DirectX | 12 (12_0) | 10.0 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.1 | 1.0 |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 4.1 |
Other Features
Integrated Graphics
| Release date | — | Nov 1st, 2009 |
|---|---|---|
| Generation | — | Radeon IGP (Mobility HD 3000) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
