ATI Mobility Radeon HD 4850 X2 vs NVIDIA Switch GPU 20nm
Graphics Processor
| GPU model | M98 | GM20B |
|---|---|---|
| Architecture | TeraScale | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 20 nm |
| Number of transistors | 956 million | 2,000 million |
| Die size | 256 mm² | 118 mm² |
| GPU variant | — | ODNX02-A2 |
Mobile graphics
| Release date | Jan 9th, 2009 | — |
|---|---|---|
| Generation | M9x (Mobility HD 4800) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M8x | — |
| Successor | Manhattan | — |
Clocks
| GPU clock | 500 MHz | — |
|---|---|---|
| Memory clock | 700 MHz 2.8 Gbps effective | 1600 MHz 3.2 Gbps effective |
| Base clock | — | 384 MHz |
| Boost clock | — | 768 MHz |
Memory Configuration
| Memory size | 1024 MB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | DDR4 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 89.60 GB/s | 25.60 GB/s |
Render Configuration
| Shading units | 800 | 256 |
|---|---|---|
| TMUs | 40 | 16 |
| ROPs | 16 | 16 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 256 KB | — |
| SMM count | — | 2 |
Performance
| Pixel rate | 8.000 GPixel/s | 12.29 GPixel/s |
|---|---|---|
| Texture rate | 20.00 GTexel/s | 12.29 GTexel/s |
| FP32 (float) performance | 800.0 GFLOPS | 393.2 GFLOPS |
| FP64 (double) performance | 160.0 GFLOPS (1:5) | 12.29 GFLOPS (1:32) |
| FP16 (half) performance | — | 786.4 GFLOPS (2:1) |
Dimensions & Outputs
| TDP | unknown | 15 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
| Length | — | 239 mm 9.4 inches |
| Width | — | 101 mm 4 inches |
| Height | — | 28 mm 1.1 inches |
| Weight | — | 0.4 kg (0.88 lbs) |
| Suggested PSU | — | 350 W |
| Power connectors | — | None |
| Board number | — | HAC-001 |
API Support & Features
| DirectX | 10.1 (10_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | — | 1.1 |
| Shader model | 4.1 | 6.4 |
| CUDA | — | 5.3 |
Other Features
Graphics Card
| Release date | — | Mar 17th, 2017 |
|---|---|---|
| Generation | — | Console GPU |
| Production | — | End-of-life |
| Interface | — | IGP |
| Launch price | — | 299 USD |
