AMD Radeon Pro Duo Polaris vs AMD Radeon R9 295X2
Graphics Processor
| GPU model | Ellesmere | Vesuvius |
|---|---|---|
| GPU variant | Ellesmere Gemini GL | Vesuvius XT (215-0852022) |
| Architecture | GCN 4.0 | GCN 2.0 |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 28 nm |
| Number of transistors | 5,700 million | 6,200 million |
| Die size | 232 mm² | 438 mm² |
Graphics Card
| Release date | Apr 24th, 2017 | Apr 29th, 2014 |
|---|---|---|
| Generation | Radeon Pro | Volcanic Islands |
| Production | Active | End-of-life |
| Launch price | 999 USD | 1,499 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 6 in our database | 33 in our database |
| Predecessor | — | Sea Islands |
| Successor | — | Pirate Islands |
Clocks
| GPU clock | 1243 MHz | 1018 MHz |
|---|---|---|
| Memory clock | 1750 MHz 7 Gbps effective | 1250 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 16 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 512 bit |
| Bandwidth | 224.0 GB/s | 320.0 GB/s |
Render Configuration
| Shading units | 2304 | 2816 |
|---|---|---|
| TMUs | 144 | 176 |
| ROPs | 32 | 64 |
| Compute units | 36 | 44 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 2 MB | 1024 KB |
Performance
| Pixel rate | 39.78 GPixel/s | 65.15 GPixel/s |
|---|---|---|
| Texture rate | 179.0 GTexel/s | 179.2 GTexel/s |
| FP16 (half) performance | 5.728 TFLOPS (1:1) | — |
| FP32 (float) performance | 5.728 TFLOPS | 5.733 TFLOPS |
| FP64 (double) performance | 358.0 GFLOPS (1:16) | 716.7 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 305 mm 12 inches | 307 mm 12.1 inches |
| Width | 111 mm 4.4 inches | 114 mm 4.5 inches |
| TDP | 250 W | 500 W |
| Suggested PSU | 600 W | 900 W |
| Outputs | 1x HDMI3x DisplayPort | 1x DVI4x mini-DisplayPort |
| Power connectors | 1x 6-pin + 1x 8-pin | 3x 8-pin |
| Board number | D086 | C673-A7 |
| Height | — | 42 mm 1.7 inches |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.3 |
