AMD Radeon R9 270X vs AMD Radeon RX 5500M
Graphics Processor
| GPU model | Curacao | Navi 14 |
|---|---|---|
| GPU variant | Curacao XT (215-0848004) | Navi 14 XTM |
| Architecture | GCN 1.0 | RDNA 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 7 nm |
| Number of transistors | 2,800 million | 6,400 million |
| Die size | 212 mm² | 158 mm² |
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 | 1375 MHz |
|---|---|---|
| Boost clock | 1050 MHz | 1645 MHz |
| Memory clock | 1400 MHz 5.6 Gbps effective | 1750 MHz 14 Gbps effective |
| Game clock | — | 1448 MHz |
Memory Configuration
| Memory size | 2 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 179.2 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 1280 | 1408 |
|---|---|---|
| TMUs | 80 | 88 |
| ROPs | 32 | 32 |
| Compute units | 20 | 22 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | 2 MB |
Performance
| Pixel rate | 33.60 GPixel/s | 52.64 GPixel/s |
|---|---|---|
| Texture rate | 84.00 GTexel/s | 144.8 GTexel/s |
| FP32 (float) performance | 2.688 TFLOPS | 4.632 TFLOPS |
| FP64 (double) performance | 168.0 GFLOPS (1:16) | 289.5 GFLOPS (1:16) |
| FP16 (half) performance | — | 9.265 TFLOPS (2:1) |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 241 mm 9.5 inches | — |
| Width | 109 mm 4.3 inches | — |
| Height | 36 mm 1.4 inches | — |
| TDP | 180 W | 85 W |
| Suggested PSU | 450 W | — |
| Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | 2x 6-pin | None |
| Board number | C631, C632 | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.5 |
Other Features
Mobile graphics
| Release date | — | Oct 7th, 2019 |
|---|---|---|
| Generation | — | Mobility Radeon (Navi) |
| Successor | — | Mobility Radeon |
| Production | — | Active |
| Interface | — | PCIe 4.0 x8 |
| Predecessor | — | Crystal System |
