AMD Radeon RX 640 Mobile vs NVIDIA GeForce4 460 Go
Graphics Processor
| GPU model | Polaris 23 | NV17 |
|---|---|---|
| GPU variant | Polaris 23 XT | 460 Go A5 |
| Architecture | GCN 4.0 | Celsius |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 150 nm |
| Number of transistors | 2,200 million | 29 million |
| Die size | 103 mm² | 65 mm² |
Mobile graphics
| Release date | May 13th, 2019 | Oct 14th, 2002 |
|---|---|---|
| Generation | Mobility Radeon (M600) | GeForce4 Go |
| Production | Active | End-of-life |
| Interface | PCIe 3.0 x8 | AGP 4x |
| Predecessor | Crystal System | GeForce2 Go |
| Reviews | — | 2 in our database |
| Successor | — | GeForce FX Go 5 |
Clocks
| Base clock | 1082 MHz | — |
|---|---|---|
| Boost clock | 1218 MHz | — |
| Memory clock | 1500 MHz 6 Gbps effective | 250 MHz 500 Mbps effective |
| GPU clock | — | 250 MHz |
Memory Configuration
| Memory size | 2 GB | 64 MB |
|---|---|---|
| Memory type | GDDR5 | DDR |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 48.00 GB/s | 8.000 GB/s |
Render Configuration
| Shading units | 640 | — |
|---|---|---|
| TMUs | 40 | 4 |
| ROPs | 16 | 2 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 19.49 GPixel/s | 500.0 MPixel/s |
|---|---|---|
| Texture rate | 48.72 GTexel/s | 1.000 GTexel/s |
| FP16 (half) performance | 1.559 TFLOPS (1:1) | — |
| FP32 (float) performance | 1.559 TFLOPS | — |
| FP64 (double) performance | 97.44 GFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| TDP | 50 W | unknown |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 12 (12_0) | 7.0 |
|---|---|---|
| OpenGL | 4.6 | 1.5 |
| OpenCL | 2.1 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | — |
| Pixel shader | — | 1.1 |
| Vertex shader | — | 1.1 |
