AMD Radeon RX 550 vs NVIDIA GeForce Go 7700
Graphics Processor
| GPU model | Lexa | G73 |
|---|---|---|
| GPU variant | Lexa PRO (215-0904018) | GF-GO7700-N-B1 |
| Architecture | GCN 4.0 | Curie |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 90 nm |
| Number of transistors | 2,200 million | 177 million |
| Die size | 103 mm² | 125 mm² |
Graphics Card
| Release date | Apr 20th, 2017 | — |
|---|---|---|
| Generation | Polaris | — |
| Production | End-of-life | — |
| Launch price | 79 USD | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | Arctic Islands | — |
| Successor | Vega | — |
Clocks
| Base clock | 1100 MHz | — |
|---|---|---|
| Boost clock | 1183 MHz | — |
| Memory clock | 1750 MHz 7 Gbps effective | 500 MHz 1000 Mbps effective |
| GPU clock | — | 450 MHz |
Memory Configuration
| Memory size | 2 GB | 512 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 112.0 GB/s | 16.00 GB/s |
Render Configuration
| Shading units | 512 | — |
|---|---|---|
| TMUs | 32 | 12 |
| ROPs | 16 | 8 |
| Compute units | 8 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 12 |
| Vertex shaders | — | 5 |
Performance
| Pixel rate | 18.93 GPixel/s | 3.600 GPixel/s |
|---|---|---|
| Texture rate | 37.86 GTexel/s | 5.400 GTexel/s |
| FP16 (half) performance | 1,211 GFLOPS (1:1) | — |
| FP32 (float) performance | 1,211 GFLOPS | — |
| FP64 (double) performance | 75.71 GFLOPS (1:16) | — |
| Vertex rate | — | 562.5 MVertices/s |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 50 W | unknown |
| Suggested PSU | 250 W | — |
| Outputs | 1x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | None | — |
| Board number | D090-01 | — |
API Support & Features
| DirectX | 12 (12_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.6 | 2.1 |
| OpenCL | 2.1 | — |
| Vulkan | 1.2 | — |
| Shader model | 6.4 | 3.0 |
Other Features
Mobile graphics
| Release date | — | Aug 1st, 2006 |
|---|---|---|
| Generation | — | GeForce Go 7 (Go 7000) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Predecessor | — | GeForce Go 6 |
| Successor | — | GeForce 8M |
