AMD Radeon R7 M265 vs NVIDIA GeForce GTX 660 Ti
Graphics Processor
| GPU model | Opal | GK104 |
|---|---|---|
| GPU variant | Opal XT | GK104-300-KD-A2 |
| Architecture | GCN 1.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 950 million | 3,540 million |
| Die size | 77 mm² | 294 mm² |
Mobile graphics
| Release date | Jan 9th, 2014 | — |
|---|---|---|
| Generation | Crystal System (R7 M200) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Solar System | — |
| Successor | Mobility Radeon | — |
Clocks
| Base clock | 725 MHz | 915 MHz |
|---|---|---|
| Boost clock | 825 MHz | 980 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | DDR3 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 28.80 GB/s | 144.2 GB/s |
Render Configuration
| Shading units | 384 | 1344 |
|---|---|---|
| TMUs | 24 | 112 |
| ROPs | 8 | 24 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 384 KB |
| SMX count | — | 7 |
Performance
| Pixel rate | 6.600 GPixel/s | 27.44 GPixel/s |
|---|---|---|
| Texture rate | 19.80 GTexel/s | 109.8 GTexel/s |
| FP32 (float) performance | 633.6 GFLOPS | 2.634 TFLOPS |
| FP64 (double) performance | — | 109.8 GFLOPS (1:24) |
Dimensions & Outputs
| TDP | unknown | 150 W |
|---|---|---|
| Outputs | No outputs | 2x DVI1x HDMI1x DisplayPort |
| Slot width | — | Dual-slot |
| Length | — | 241 mm 9.5 inches |
| Suggested PSU | — | 450 W |
| Power connectors | — | 2x 6-pin |
| Board number | — | P2004 |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 3.0 |
Other Features
Graphics Card
| Release date | — | Aug 16th, 2012 |
|---|---|---|
| Generation | — | GeForce 600 |
| Production | — | End-of-life |
| Launch price | — | 299 USD |
| Interface | — | PCIe 3.0 x16 |
| Reviews | — | 83 in our database |
| Predecessor | — | GeForce 500 |
| Successor | — | GeForce 700 |
