AMD Radeon Vega 8 vs NVIDIA GeForce GTX 660 Ti
Graphics Processor
| GPU model | Picasso | GK104 |
|---|---|---|
| Architecture | GCN 5.0 | Kepler |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 28 nm |
| Number of transistors | 4,940 million | 3,540 million |
| Die size | 210 mm² | 294 mm² |
| GPU variant | — | GK104-300-KD-A2 |
Integrated Graphics
| Release date | Jul 7th, 2019 | — |
|---|---|---|
| Generation | Picasso (Vega) | — |
| Production | Active | — |
| Interface | IGP | — |
| Predecessor | Raven Ridge | — |
| Successor | Renoir | — |
Clocks
| Base clock | 300 MHz | 915 MHz |
|---|---|---|
| Boost clock | 1250 MHz | 980 MHz |
| Memory clock | System Shared | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | System Shared | 2 GB |
|---|---|---|
| Memory type | System Shared | GDDR5 |
| Memory bus width | System Shared | 192 bit |
| Bandwidth | System Dependent | 144.2 GB/s |
Render Configuration
| Shading units | 512 | 1344 |
|---|---|---|
| TMUs | 32 | 112 |
| ROPs | 8 | 24 |
| Compute units | 8 | — |
| SMX count | — | 7 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 384 KB |
Performance
| Pixel rate | 10.00 GPixel/s | 27.44 GPixel/s |
|---|---|---|
| Texture rate | 40.00 GTexel/s | 109.8 GTexel/s |
| FP16 (half) performance | 2.560 TFLOPS (2:1) | — |
| FP32 (float) performance | 1,280 GFLOPS | 2.634 TFLOPS |
| FP64 (double) performance | 80.00 GFLOPS (1:16) | 109.8 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 15 W | 150 W |
| Outputs | No outputs | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | None | 2x 6-pin |
| Length | — | 241 mm 9.5 inches |
| Suggested PSU | — | 450 W |
| Board number | — | P2004 |
API Support & Features
| DirectX | 12 (12_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.4 | 5.1 |
| CUDA | — | 3.0 |
Other Features
Graphics Card
| Release date | — | Aug 16th, 2012 |
|---|---|---|
| Generation | — | GeForce 600 |
| Production | — | End-of-life |
| Launch price | — | 299 USD |
| Interface | — | PCIe 3.0 x16 |
| Reviews | — | 83 in our database |
| Predecessor | — | GeForce 500 |
| Successor | — | GeForce 700 |
