AMD Radeon R9 380X vs NVIDIA GeForce GTX 770
Graphics Processor
| GPU model | Antigua | GK104 |
|---|---|---|
| GPU variant | Antigua XT (215-0877016) | GK104-425-A2 |
| Architecture | GCN 3.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 5,000 million | 3,540 million |
| Die size | 366 mm² | 294 mm² |
Graphics Card
| Release date | Nov 19th, 2015 | May 30th, 2013 |
|---|---|---|
| Generation | Pirate Islands | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch price | 229 USD | 399 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 36 in our database | 112 in our database |
| Predecessor | Volcanic Islands | GeForce 600 |
| Successor | Arctic Islands | GeForce 900 |
Clocks
| GPU clock | 970 MHz | — |
|---|---|---|
| Memory clock | 1425 MHz 5.7 Gbps effective | 1753 MHz 7 Gbps effective |
| Base clock | — | 1046 MHz |
| Boost clock | — | 1085 MHz |
Memory Configuration
| Memory size | 4 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 182.4 GB/s | 224.4 GB/s |
Render Configuration
| Shading units | 2048 | 1536 |
|---|---|---|
| TMUs | 128 | 128 |
| ROPs | 32 | 32 |
| Compute units | 32 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 512 KB | 512 KB |
| SMX count | — | 8 |
Performance
| Pixel rate | 31.04 GPixel/s | 34.72 GPixel/s |
|---|---|---|
| Texture rate | 124.2 GTexel/s | 138.9 GTexel/s |
| FP16 (half) performance | 3.973 TFLOPS (1:1) | — |
| FP32 (float) performance | 3.973 TFLOPS | 3.333 TFLOPS |
| FP64 (double) performance | 248.3 GFLOPS (1:16) | 138.9 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 221 mm 8.7 inches | 267 mm 10.5 inches |
| Width | 111 mm 4.4 inches | 111 mm 4.4 inches |
| TDP | 190 W | 230 W |
| Suggested PSU | 450 W | 550 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 2x 6-pin | 1x 6-pin + 1x 8-pin |
| Board number | C766, C784 | P2005 |
| Height | — | 38 mm 1.5 inches |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.3 | 5.1 |
| CUDA | — | 3.0 |
