AMD Radeon HD 7790 vs AMD Radeon Pro 455
Graphics Processor
| GPU model | Bonaire | Baffin |
|---|---|---|
| GPU variant | Bonaire XT (215-0839039) | Baffin PRO |
| Architecture | GCN 2.0 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 2,080 million | 3,000 million |
| Die size | 160 mm² | 123 mm² |
Graphics Card
| Release date | Mar 22nd, 2013 | — |
|---|---|---|
| Generation | Southern Islands | — |
| Production | End-of-life | — |
| Launch price | 149 USD | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 93 in our database | — |
| Predecessor | Northern Islands | — |
| Successor | Sea Islands | — |
Clocks
| GPU clock | 1000 MHz | 855 MHz |
|---|---|---|
| Memory clock | 1500 MHz 6 Gbps effective | 1270 MHz 5.1 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 96.00 GB/s | 81.28 GB/s |
Render Configuration
| Shading units | 896 | 768 |
|---|---|---|
| TMUs | 56 | 48 |
| ROPs | 16 | 16 |
| Compute units | 14 | 12 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 1024 KB |
Performance
| Pixel rate | 16.00 GPixel/s | 13.68 GPixel/s |
|---|---|---|
| Texture rate | 56.00 GTexel/s | 41.04 GTexel/s |
| FP32 (float) performance | 1.792 TFLOPS | 1,313 GFLOPS |
| FP64 (double) performance | 112.0 GFLOPS (1:16) | 82.08 GFLOPS (1:16) |
| FP16 (half) performance | — | 1,313 GFLOPS (1:1) |
Dimensions & Outputs
| Slot width | Dual-slot | MXM Module |
|---|---|---|
| Length | 183 mm 7.2 inches | — |
| TDP | 85 W | 35 W |
| Suggested PSU | 250 W | — |
| Outputs | 1x DVI1x HDMI2x mini-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 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.4 |
Other Features
Mobile graphics
| Release date | — | Oct 30th, 2016 |
|---|---|---|
| Generation | — | Radeon Pro Mac (400 Series) |
| Production | — | Active |
| Interface | — | PCIe 3.0 x8 |
