ATI Mobility Radeon X1700 vs NVIDIA GeForce GTX 950 Low Power
Graphics Processor
| GPU model | M66 | GM206 |
|---|---|---|
| GPU variant | M66 P | GM206-251-A1 |
| Architecture | R500 | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 28 nm |
| Number of transistors | 157 million | 2,940 million |
| Die size | 150 mm² | 228 mm² |
Mobile graphics
| Release date | Feb 1st, 2006 | — |
|---|---|---|
| Generation | M6x (Mobility X1) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M5x | — |
| Successor | M7x | — |
Clocks
| GPU clock | 475 MHz | — |
|---|---|---|
| Memory clock | 400 MHz 800 Mbps effective | 1653 MHz 6.6 Gbps effective |
| Base clock | — | 1026 MHz |
| Boost clock | — | 1190 MHz |
Memory Configuration
| Memory size | 256 MB | 2 GB |
|---|---|---|
| Memory type | GDDR3 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 12.80 GB/s | 105.8 GB/s |
Render Configuration
| Pixel shaders | 12 | — |
|---|---|---|
| Vertex shaders | 5 | — |
| TMUs | 4 | 48 |
| ROPs | 4 | 32 |
| Shading units | — | 768 |
| SMM count | — | 6 |
| Cache L1 | — | 48 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance
| Pixel rate | 1.900 GPixel/s | 38.08 GPixel/s |
|---|---|---|
| Vertex rate | 593.8 MVertices/s | — |
| Texture rate | 1.900 GTexel/s | 57.12 GTexel/s |
| FP32 (float) performance | — | 1.828 TFLOPS |
| FP64 (double) performance | — | 57.12 GFLOPS (1:32) |
Dimensions & Outputs
| TDP | unknown | 75 W |
|---|---|---|
| Outputs | No outputs | 1x DVI1x HDMI3x DisplayPort |
| Slot width | — | Dual-slot |
| Length | — | 202 mm 8 inches |
| Suggested PSU | — | 250 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 9.0c (9_3) | 12 (12_1) |
|---|---|---|
| OpenGL | 2.1 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 3.0 | 6.4 |
| CUDA | — | 5.2 |
Other Features
Graphics Card
| Release date | — | Mar 1st, 2016 |
|---|---|---|
| Generation | — | GeForce 900 |
| Production | — | End-of-life |
| Launch price | — | 159 USD |
| Interface | — | PCIe 3.0 x16 |
| Reviews | — | 76 in our database |
| Predecessor | — | GeForce 700 |
| Successor | — | GeForce 10 |
