AMD Radeon R7 350 640SP vs NVIDIA GeForce GT 645 OEM
Graphics Processor
| GPU model | Cape Verde | GF114 |
|---|---|---|
| GPU variant | Cape Verde XT | — |
| Architecture | GCN 1.0 | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,500 million | 1,950 million |
| Die size | 123 mm² | 332 mm² |
Graphics Card
| Release date | Jan 7th, 2019 | Apr 24th, 2012 |
|---|---|---|
| Generation | Pirate Islands | GeForce 600 |
| Predecessor | Volcanic Islands | GeForce 500 |
| Successor | Arctic Islands | GeForce 700 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Clocks
| GPU clock | 925 MHz | 776 MHz |
|---|---|---|
| Memory clock | 1125 MHz 4.5 Gbps effective | 957 MHz 3.8 Gbps effective |
| Shader clock | — | 1552 MHz |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 72.00 GB/s | 91.87 GB/s |
Render Configuration
| Shading units | 640 | 288 |
|---|---|---|
| TMUs | 40 | 48 |
| ROPs | 16 | 24 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 384 KB |
| SM count | — | 6 |
Performance
| Pixel rate | 14.80 GPixel/s | 9.312 GPixel/s |
|---|---|---|
| Texture rate | 37.00 GTexel/s | 37.25 GTexel/s |
| FP32 (float) performance | 1,184 GFLOPS | 894.0 GFLOPS |
| FP64 (double) performance | 74.00 GFLOPS (1:16) | 74.50 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| Length | 168 mm 6.6 inches | 210 mm 8.3 inches |
| TDP | 55 W | 102 W |
| Suggested PSU | 250 W | 300 W |
| Outputs | 1x DVI1x HDMI1x DisplayPort | 2x DVI1x mini-HDMI |
| Power connectors | None | — |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 2.1 |
