ATI Radeon 7500 vs NVIDIA GeForce 820M
Graphics Processor
| GPU model | RV200 | GF117 |
|---|---|---|
| GPU variant | 215R7TZAGA12 | N15V-GM-B-A2 |
| Architecture | Rage 7 | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 150 nm | 28 nm |
| Number of transistors | 60 million | 585 million |
| Die size | 83 mm² | 116 mm² |
Graphics Card
| Release date | Aug 14th, 2001 | — |
|---|---|---|
| Generation | Radeon R200 | — |
| Production | End-of-life | — |
| Interface | AGP 4x | — |
| Predecessor | Radeon R100 | — |
| Successor | Radeon R300 | — |
Clocks
| GPU clock | 290 MHz | 625 MHz |
|---|---|---|
| Memory clock | 230 MHz 460 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1250 MHz |
Memory Configuration
| Memory size | 64 MB | 1024 MB |
|---|---|---|
| Memory type | DDR | DDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 7.360 GB/s | 14.40 GB/s |
Render Configuration
| Pixel shaders | 2 | — |
|---|---|---|
| Vertex shaders | 1 | — |
| TMUs | 6 | 16 |
| ROPs | 2 | 8 |
| Shading units | — | 96 |
| SM count | — | 2 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 580.0 MPixel/s | 2.500 GPixel/s |
|---|---|---|
| Vertex rate | 72.50 MVertices/s | — |
| Texture rate | 1.740 GTexel/s | 10.00 GTexel/s |
| FP32 (float) performance | — | 240.0 GFLOPS |
| FP64 (double) performance | — | 20.00 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| TDP | 23 W | 15 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x VGA1x S-Video | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 7.0 | 12 (11_0) |
|---|---|---|
| OpenGL | 1.3 | 4.6 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | 1.4 | — |
| Vertex shader | 1.1 | — |
| CUDA | — | 2.1 |
| Shader model | — | 5.1 |
Other Features
Mobile graphics
| Release date | — | Nov 27th, 2013 |
|---|---|---|
| Generation | — | GeForce 800M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 700M |
| Successor | — | GeForce 900M |
