AMD Radeon R9 270X vs Intel UHD Graphics 770
Graphics Processor
| GPU model | Curacao | Alder Lake GT1 |
|---|---|---|
| GPU variant | Curacao XT (215-0848004) | — |
| Architecture | GCN 1.0 | Generation 12.2 |
| Foundry | TSMC | Intel |
| Manufacturing process | 28 nm | 10 nm |
| Number of transistors | 2,800 million | unknown |
| Die size | 212 mm² | unknown |
Graphics Card
| Release date | Oct 8th, 2013 | — |
|---|---|---|
| Generation | Volcanic Islands | — |
| Production | End-of-life | — |
| Launch price | 199 USD | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 90 in our database | — |
| Predecessor | Sea Islands | — |
| Successor | Pirate Islands | — |
Clocks
| Base clock | 1000 MHz | 300 MHz |
|---|---|---|
| Boost clock | 1050 MHz | 1450 MHz |
| Memory clock | 1400 MHz 5.6 Gbps effective | System Shared |
Memory Configuration
| Memory size | 2 GB | System Shared |
|---|---|---|
| Memory type | GDDR5 | System Shared |
| Memory bus width | 256 bit | System Shared |
| Bandwidth | 179.2 GB/s | System Dependent |
Render Configuration
| Shading units | 1280 | 256 |
|---|---|---|
| TMUs | 80 | 16 |
| ROPs | 32 | 8 |
| Compute units | 20 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Execution units | — | 32 |
Performance
| Pixel rate | 33.60 GPixel/s | 11.60 GPixel/s |
|---|---|---|
| Texture rate | 84.00 GTexel/s | 23.20 GTexel/s |
| FP32 (float) performance | 2.688 TFLOPS | 742.4 GFLOPS |
| FP64 (double) performance | 168.0 GFLOPS (1:16) | 185.6 GFLOPS (1:4) |
| FP16 (half) performance | — | 1,485 GFLOPS (2:1) |
Dimensions & Outputs
| Slot width | Dual-slot | IGP |
|---|---|---|
| Length | 241 mm 9.5 inches | — |
| Width | 109 mm 4.3 inches | — |
| Height | 36 mm 1.4 inches | — |
| TDP | 180 W | 15 W |
| Suggested PSU | 450 W | — |
| Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | 2x 6-pin | — |
| Board number | C631, C632 | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
Other Features
Integrated Graphics
| Release date | — | Nov 4th, 2021 |
|---|---|---|
| Generation | — | HD Graphics (Alder Lake) |
| Production | — | Active |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
