AMD Radeon R9 280 vs ATI Radeon HD 5770
Graphics Processor
| GPU model | Tahiti | Juniper |
|---|---|---|
| GPU variant | Tahiti PRO3 (215-0821330) | Juniper XT (215-0754013) |
| Architecture | GCN 1.0 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 4,313 million | 1,040 million |
| Die size | 352 mm² | 166 mm² |
Graphics Card
| Release date | Mar 4th, 2014 | Oct 13th, 2009 |
|---|---|---|
| Generation | Volcanic Islands | Evergreen |
| Production | End-of-life | End-of-life |
| Launch price | 279 USD | 159 USD |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Reviews | 35 in our database | 142 in our database |
| Predecessor | Sea Islands | Radeon R700 |
| Successor | Pirate Islands | Northern Islands |
Clocks
| Base clock | 827 MHz | — |
|---|---|---|
| Boost clock | 933 MHz | — |
| Memory clock | 1250 MHz 5 Gbps effective | 1200 MHz 4.8 Gbps effective |
| GPU clock | — | 850 MHz |
Memory Configuration
| Memory size | 3 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 384 bit | 128 bit |
| Bandwidth | 240.0 GB/s | 76.80 GB/s |
Render Configuration
| Shading units | 1792 | 800 |
|---|---|---|
| TMUs | 112 | 40 |
| ROPs | 32 | 16 |
| Compute units | 28 | 10 |
| Cache L1 | 16 KB (per CU) | 8 KB (per CU) |
| Cache L2 | 768 KB | 256 KB |
Performance
| Pixel rate | 29.86 GPixel/s | 13.60 GPixel/s |
|---|---|---|
| Texture rate | 104.5 GTexel/s | 34.00 GTexel/s |
| FP32 (float) performance | 3.344 TFLOPS | 1,360 GFLOPS |
| FP64 (double) performance | 836.0 GFLOPS (1:4) | — |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 275 mm 10.8 inches | 208 mm 8.2 inches |
| Width | 109 mm 4.3 inches | — |
| Height | 36 mm 1.4 inches | — |
| TDP | 200 W | 108 W |
| Suggested PSU | 550 W | 300 W |
| Outputs | 1x DVI2x HDMI1x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board number | C386 | C010 |
API Support & Features
| DirectX | 12 (11_1) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 5.0 |
