AMD Radeon HD 8850M vs NVIDIA GeForce4 Ti 4800
Graphics Processor
| GPU model | Venus | NV28 |
|---|---|---|
| GPU variant | Venus PRO | NV28M A1 |
| Architecture | GCN 1.0 | Kelvin |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 150 nm |
| Number of transistors | 1,500 million | 36 million |
| Die size | 123 mm² | 101 mm² |
Mobile graphics
| Release date | Apr 1st, 2013 | — |
|---|---|---|
| Generation | Solar System (HD 8800M) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Predecessor | London | — |
| Successor | Crystal System | — |
Clocks
| Base clock | 575 MHz | — |
|---|---|---|
| Boost clock | 625 MHz | — |
| Memory clock | 1000 MHz 2 Gbps effective | 325 MHz 650 Mbps effective |
| GPU clock | — | 300 MHz |
Memory Configuration
| Memory size | 2 GB | 128 MB |
|---|---|---|
| Memory type | DDR3 | DDR |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 32.00 GB/s | 10.40 GB/s |
Render Configuration
| Shading units | 640 | — |
|---|---|---|
| TMUs | 40 | 8 |
| ROPs | 16 | 4 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 2 |
Performance
| Pixel rate | 10.00 GPixel/s | 1.200 GPixel/s |
|---|---|---|
| Texture rate | 25.00 GTexel/s | 2.400 GTexel/s |
| FP32 (float) performance | 800.0 GFLOPS | — |
| FP64 (double) performance | 50.00 GFLOPS (1:16) | — |
| Vertex rate | — | 150.0 MVertices/s |
Dimensions & Outputs
| TDP | unknown | unknown |
|---|---|---|
| Outputs | No outputs | 1x DVI1x VGA1x S-Video |
| Slot width | — | Single-slot |
| Length | — | 216 mm 8.5 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 12 (11_1) | 8.1 |
|---|---|---|
| OpenGL | 4.6 | 1.5 |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 1.3 |
| Vertex shader | — | 1.1 |
Other Features
Graphics Card
| Release date | — | Mar 15th, 2003 |
|---|---|---|
| Generation | — | GeForce 4 Ti |
| Production | — | End-of-life |
| Interface | — | AGP 8x |
| Predecessor | — | GeForce 4 MX |
| Successor | — | GeForce FX |
