ATI Radeon 7500 Mac Edition vs NVIDIA GeForce 840A
Graphics Processor
| GPU model | RV200 | GM108 |
|---|---|---|
| Architecture | Rage 7 | Maxwell |
| Foundry | TSMC | TSMC |
| Manufacturing process | 150 nm | 28 nm |
| Number of transistors | 60 million | unknown |
| Die size | 83 mm² | unknown |
Graphics Card
| Release date | Apr 16th, 2002 | — |
|---|---|---|
| Generation | Radeon R200 | — |
| Production | End-of-life | — |
| Interface | AGP 4x | — |
| Predecessor | Radeon R100 | — |
| Successor | Radeon R300 | — |
Clocks
| GPU clock | 260 MHz | — |
|---|---|---|
| Memory clock | 180 MHz 360 Mbps effective | 1001 MHz 2 Gbps effective |
| Base clock | — | 1029 MHz |
| Boost clock | — | 1124 MHz |
Memory Configuration
| Memory size | 32 MB | 2 GB |
|---|---|---|
| Memory type | DDR | DDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 5.760 GB/s | 16.02 GB/s |
Render Configuration
| Pixel shaders | 2 | — |
|---|---|---|
| Vertex shaders | 1 | — |
| TMUs | 6 | 16 |
| ROPs | 2 | 8 |
| Shading units | — | 384 |
| SMM count | — | 3 |
| Cache L1 | — | 64 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance
| Pixel rate | 520.0 MPixel/s | 8.992 GPixel/s |
|---|---|---|
| Vertex rate | 65.00 MVertices/s | — |
| Texture rate | 1.560 GTexel/s | 17.98 GTexel/s |
| FP32 (float) performance | — | 863.2 GFLOPS |
| FP64 (double) performance | — | 26.98 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| TDP | 23 W | 33 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x VGA | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 7.0 | 12 (11_0) |
|---|---|---|
| OpenGL | 1.3 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Pixel shader | 1.4 | — |
| Vertex shader | 1.1 | — |
| CUDA | — | 5.0 |
| Shader model | — | 5.1 |
Other Features
Mobile graphics
| Release date | — | Mar 17th, 2014 |
|---|---|---|
| Generation | — | GeForce 800A |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x8 |
| Predecessor | — | GeForce 700A |
| Successor | — | GeForce 900A |
