AMD Radeon HD 7790 vs AMD Radeon R7 260X
Graphics Processor
| GPU model | Bonaire | Bonaire |
|---|---|---|
| GPU variant | Bonaire XT (215-0839039) | Bonaire XTX (215-0839097) |
| Architecture | GCN 2.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 2,080 million | 2,080 million |
| Die size | 160 mm² | 160 mm² |
Graphics Card
| Release date | Mar 22nd, 2013 | Oct 8th, 2013 |
|---|---|---|
| Generation | Southern Islands | Volcanic Islands |
| Production | End-of-life | End-of-life |
| Launch price | 149 USD | 139 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 93 in our database | 29 in our database |
| Predecessor | Northern Islands | Sea Islands |
| Successor | Sea Islands | Pirate Islands |
Clocks
| GPU clock | 1000 MHz | 1100 MHz |
|---|---|---|
| Memory clock | 1500 MHz 6 Gbps effective | 1625 MHz 6.5 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 | 104.0 GB/s |
Render Configuration
| Shading units | 896 | 896 |
|---|---|---|
| TMUs | 56 | 56 |
| ROPs | 16 | 16 |
| Compute units | 14 | 14 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 256 KB | 256 KB |
Performance
| Pixel rate | 16.00 GPixel/s | 17.60 GPixel/s |
|---|---|---|
| Texture rate | 56.00 GTexel/s | 61.60 GTexel/s |
| FP32 (float) performance | 1.792 TFLOPS | 1.971 TFLOPS |
| FP64 (double) performance | 112.0 GFLOPS (1:16) | 123.2 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 183 mm 7.2 inches | 170 mm 6.7 inches |
| TDP | 85 W | 115 W |
| Suggested PSU | 250 W | 300 W |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 1x 6-pin | 1x 6-pin |
| Board number | C582 | 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 |
