AMD Radeon Pro Vega II Duo vs AMD Radeon R9 295X2
Graphics Processor
| GPU model | Vega 20 | Vesuvius |
|---|---|---|
| GPU variant | Vega 20 XT | Vesuvius XT (215-0852022) |
| Architecture | GCN 5.1 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 28 nm |
| Number of transistors | 13,230 million | 6,200 million |
| Die size | 331 mm² | 438 mm² |
Graphics Card
| Release date | Unknown | Apr 29th, 2014 |
|---|---|---|
| Generation | Radeon Pro Mac | Volcanic Islands |
| Production | Active | End-of-life |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Launch price | — | 1,499 USD |
| Reviews | — | 33 in our database |
| Predecessor | — | Sea Islands |
| Successor | — | Pirate Islands |
Clocks
| Base clock | 1400 MHz | — |
|---|---|---|
| Boost clock | 1720 MHz | — |
| Memory clock | 1000 MHz 2 Gbps effective | 1250 MHz 5 Gbps effective |
| GPU clock | — | 1018 MHz |
Memory Configuration
| Memory size | 32 GB | 4 GB |
|---|---|---|
| Memory type | HBM2 | GDDR5 |
| Memory bus width | 4096 bit | 512 bit |
| Bandwidth | 1,024 GB/s | 320.0 GB/s |
Render Configuration
| Shading units | 4096 | 2816 |
|---|---|---|
| TMUs | 256 | 176 |
| ROPs | 64 | 64 |
| Compute units | 64 | 44 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 4 MB | 1024 KB |
Performance
| Pixel rate | 110.1 GPixel/s | 65.15 GPixel/s |
|---|---|---|
| Texture rate | 440.3 GTexel/s | 179.2 GTexel/s |
| FP16 (half) performance | 28.18 TFLOPS (2:1) | — |
| FP32 (float) performance | 14.09 TFLOPS | 5.733 TFLOPS |
| FP64 (double) performance | 880.6 GFLOPS (1:16) | 716.7 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Quad-slot | Dual-slot |
|---|---|---|
| TDP | 475 W | 500 W |
| Suggested PSU | 850 W | 900 W |
| Outputs | 1x HDMI4x Thunderbolt | 1x DVI4x mini-DisplayPort |
| Power connectors | None | 3x 8-pin |
| Board number | MW732ZM/A | C673-A7 |
| Length | — | 307 mm 12.1 inches |
| Width | — | 114 mm 4.5 inches |
| Height | — | 42 mm 1.7 inches |
API Support & Features
| DirectX | 12 (12_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.3 |
