AMD Radeon R5 340 OEM vs AMD Radeon R9 M280X
Graphics Processor
| GPU model | Oland | Saturn |
|---|---|---|
| GPU variant | Oland PRO (215-0837015) | Saturn XT |
| Architecture | GCN 1.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 950 million | 2,080 million |
| Die size | 77 mm² | 160 mm² |
Graphics Card
| Release date | May 5th, 2015 | — |
|---|---|---|
| Generation | Pirate Islands | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Volcanic Islands | — |
| Successor | Arctic Islands | — |
Clocks
| Base clock | 730 MHz | 900 MHz |
|---|---|---|
| Boost clock | 780 MHz | 1000 MHz |
| Memory clock | 1150 MHz 4.6 Gbps effective | 1375 MHz 5.5 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 36.80 GB/s | 88.00 GB/s |
Render Configuration
| Shading units | 384 | 896 |
|---|---|---|
| TMUs | 24 | 56 |
| ROPs | 8 | 16 |
| Compute units | 6 | 14 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 128 KB | 256 KB |
Performance
| Pixel rate | 6.240 GPixel/s | 16.00 GPixel/s |
|---|---|---|
| Texture rate | 18.72 GTexel/s | 56.00 GTexel/s |
| FP32 (float) performance | 599.0 GFLOPS | 1.792 TFLOPS |
| FP64 (double) performance | 37.44 GFLOPS (1:16) | 112.0 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 65 W | unknown |
| Suggested PSU | 250 W | — |
| Outputs | 1x DVI1x DisplayPort | No outputs |
| Power connectors | None | — |
| Board number | C869 | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.3 |
Other Features
Mobile graphics
| Release date | — | Feb 5th, 2015 |
|---|---|---|
| Generation | — | Crystal System (R9 M200) |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
| Predecessor | — | Solar System |
| Successor | — | Mobility Radeon |
