AMD Radeon HD 6870 X2 vs AMD Radeon Pro WX 3200
Graphics Processor
| GPU model | Barts | Polaris 23 |
|---|---|---|
| GPU variant | Barts XT (215-0798000) | Polaris 23 XT GL |
| Architecture | TeraScale 2 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 40 nm | 14 nm |
| Number of transistors | 1,700 million | 2,200 million |
| Die size | 255 mm² | 103 mm² |
Graphics Card
| Release date | Jul 8th, 2011 | Jul 2nd, 2019 |
|---|---|---|
| Generation | Northern Islands | Radeon Pro |
| Production | End-of-life | Active |
| Launch price | 520 USD | 199 USD |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
| Reviews | 170 in our database | — |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 900 MHz | 1295 MHz |
|---|---|---|
| Memory clock | 1050 MHz 4.2 Gbps effective | 1500 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 134.4 GB/s | 96.00 GB/s |
Render Configuration
| Shading units | 1120 | 640 |
|---|---|---|
| TMUs | 56 | 32 |
| ROPs | 32 | 16 |
| Compute units | 14 | 10 |
| Cache L1 | 8 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 512 KB | 512 KB |
Performance
| Pixel rate | 28.80 GPixel/s | 20.72 GPixel/s |
|---|---|---|
| Texture rate | 50.40 GTexel/s | 41.44 GTexel/s |
| FP32 (float) performance | 2.016 TFLOPS | 1.658 TFLOPS |
| FP16 (half) performance | — | 1.658 TFLOPS (1:1) |
| FP64 (double) performance | — | 103.6 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 304 mm 12 inches | 167 mm 6.6 inches |
| TDP | 300 W | 65 W |
| Suggested PSU | 700 W | 250 W |
| Outputs | 2x DVI1x HDMI2x mini-DisplayPort | 4x mini-DisplayPort |
| Width | — | 69 mm 2.7 inches |
| Power connectors | — | None |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.4 |
