ATI Radeon HD 4810 vs NVIDIA GeForce GT 445M
Graphics Processor
| GPU model | RV770 | GF106 |
|---|---|---|
| GPU variant | RV770 CE (215-0669093) | N11E-GE-A1 |
| Architecture | TeraScale | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 40 nm |
| Number of transistors | 956 million | 1,170 million |
| Die size | 256 mm² | 238 mm² |
Graphics Card
| Release date | May 28th, 2009 | — |
|---|---|---|
| Generation | Radeon R700 | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Radeon R600 | — |
| Successor | Evergreen | — |
Clocks
| GPU clock | 625 MHz | 570 MHz |
|---|---|---|
| Memory clock | 900 MHz 3.6 Gbps effective | 625 MHz 2.5 Gbps effective |
| Shader clock | — | 1140 MHz |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 57.60 GB/s | 40.00 GB/s |
Render Configuration
| Shading units | 640 | 144 |
|---|---|---|
| TMUs | 32 | 24 |
| ROPs | 8 | 16 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 128 KB | 256 KB |
| SM count | — | 3 |
Performance
| Pixel rate | 5.000 GPixel/s | 3.420 GPixel/s |
|---|---|---|
| Texture rate | 20.00 GTexel/s | 13.68 GTexel/s |
| FP32 (float) performance | 800.0 GFLOPS | 328.3 GFLOPS |
| FP64 (double) performance | 160.0 GFLOPS (1:5) | 27.36 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| Length | 246 mm 9.7 inches | — |
| TDP | 95 W | 35 W |
| Suggested PSU | 250 W | — |
| Outputs | 2x DVI1x S-Video | No outputs |
| Power connectors | 1x 6-pin | — |
| Board number | B507 | — |
API Support & Features
| DirectX | 10.1 (10_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 5.1 |
| CUDA | — | 2.1 |
Other Features
Mobile graphics
| Release date | — | Sep 3rd, 2010 |
|---|---|---|
| Generation | — | GeForce 400M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 300M |
| Successor | — | GeForce 500M |
