AMD Radeon R7 260X vs AMD Radeon R9 M485X
Graphics Processor
| GPU model | Bonaire | Amethyst |
|---|---|---|
| GPU variant | Bonaire XTX (215-0839097) | Amethyst XT |
| Architecture | GCN 2.0 | GCN 3.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 2,080 million | 5,000 million |
| Die size | 160 mm² | 366 mm² |
Graphics Card
| Release date | Oct 8th, 2013 | — |
|---|---|---|
| Generation | Volcanic Islands | — |
| Production | End-of-life | — |
| Launch price | 139 USD | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 29 in our database | — |
| Predecessor | Sea Islands | — |
| Successor | Pirate Islands | — |
Clocks
| GPU clock | 1100 MHz | 723 MHz |
|---|---|---|
| Memory clock | 1625 MHz 6.5 Gbps effective | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 104.0 GB/s | 160.0 GB/s |
Render Configuration
| Shading units | 896 | 2048 |
|---|---|---|
| TMUs | 56 | 128 |
| ROPs | 16 | 32 |
| Compute units | 14 | 32 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 512 KB |
Performance
| Pixel rate | 17.60 GPixel/s | 23.14 GPixel/s |
|---|---|---|
| Texture rate | 61.60 GTexel/s | 92.54 GTexel/s |
| FP32 (float) performance | 1.971 TFLOPS | 2.961 TFLOPS |
| FP64 (double) performance | 123.2 GFLOPS (1:16) | 185.1 GFLOPS (1:16) |
| FP16 (half) performance | — | 2.961 TFLOPS (1:1) |
Dimensions & Outputs
| Slot width | Dual-slot | MXM Module |
|---|---|---|
| Length | 170 mm 6.7 inches | — |
| TDP | 115 W | 250 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | 1x 6-pin | None |
| Board number | C582 | — |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.3 |
Other Features
Mobile graphics
| Release date | — | May 15th, 2016 |
|---|---|---|
| Generation | — | Crystal System (R9 M400) |
| Production | — | End-of-life |
| Interface | — | MXM-B (3.0) |
| Predecessor | — | Solar System |
| Successor | — | Mobility Radeon |
