AMD Radeon R9 390 vs NVIDIA GeForce GTX TITAN
Graphics Processor
| GPU model | Grenada | GK110 |
|---|---|---|
| GPU variant | Grenada PRO (215-0880030) | GK110-400-A1 |
| Architecture | GCN 2.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 6,200 million | 7,080 million |
| Die size | 438 mm² | 561 mm² |
Graphics Card
| Release date | Jun 18th, 2015 | Feb 19th, 2013 |
|---|---|---|
| Generation | Pirate Islands | GeForce 700 |
| Production | End-of-life | End-of-life |
| Launch price | 329 USD | 999 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 35 in our database | 45 in our database |
| Predecessor | Volcanic Islands | GeForce 600 |
| Successor | Arctic Islands | GeForce 900 |
Clocks
| GPU clock | 1000 MHz | — |
|---|---|---|
| Memory clock | 1500 MHz 6 Gbps effective | 1502 MHz 6 Gbps effective |
| Base clock | — | 836 MHz |
| Boost clock | — | 876 MHz |
Memory Configuration
| Memory size | 8 GB | 6 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 512 bit | 384 bit |
| Bandwidth | 384.0 GB/s | 288.4 GB/s |
Render Configuration
| Shading units | 2560 | 2688 |
|---|---|---|
| TMUs | 160 | 224 |
| ROPs | 64 | 48 |
| Compute units | 40 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 1024 KB | 1536 KB |
| SMX count | — | 14 |
Performance
| Pixel rate | 64.00 GPixel/s | 49.06 GPixel/s |
|---|---|---|
| Texture rate | 160.0 GTexel/s | 196.2 GTexel/s |
| FP32 (float) performance | 5.120 TFLOPS | 4.709 TFLOPS |
| FP64 (double) performance | 640.0 GFLOPS (1:8) | 1.570 TFLOPS (1:3) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 275 mm 10.8 inches | 267 mm 10.5 inches |
| Width | 109 mm 4.3 inches | 111 mm 4.4 inches |
| Height | 36 mm 1.4 inches | 38 mm 1.5 inches |
| TDP | 275 W | 250 W |
| Suggested PSU | 600 W | 600 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Board number | C679 | P2083 SKU 10 |
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 | — | 3.5 |
