AMD Radeon HD 6770 Green Edition vs NVIDIA GeForce GTX 460M
Graphics Processor
| GPU model | Juniper | GF106 |
|---|---|---|
| GPU variant | Juniper LE (215-0754009) | N11E-GS-A1 |
| Architecture | TeraScale 2 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 1,040 million | 1,170 million |
| Die size | 166 mm² | 238 mm² |
Graphics Card
| Release date | Apr 19th, 2013 | — |
|---|---|---|
| Generation | Northern Islands | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 700 MHz | 675 MHz |
|---|---|---|
| Memory clock | 667 MHz 1334 Mbps effective | 625 MHz 2.5 Gbps effective |
| Shader clock | — | 1350 MHz |
Memory Configuration
| Memory size | 2 GB | 1536 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 21.34 GB/s | 60.00 GB/s |
Render Configuration
| Shading units | 720 | 192 |
|---|---|---|
| TMUs | 36 | 32 |
| ROPs | 16 | 24 |
| Compute units | 9 | — |
| Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 384 KB |
| SM count | — | 4 |
Performance
| Pixel rate | 11.20 GPixel/s | 5.400 GPixel/s |
|---|---|---|
| Texture rate | 25.20 GTexel/s | 21.60 GTexel/s |
| FP32 (float) performance | 1,008 GFLOPS | 518.4 GFLOPS |
| FP64 (double) performance | — | 43.20 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 170 mm 6.7 inches | — |
| TDP | 86 W | 50 W |
| Suggested PSU | 250 W | — |
| Outputs | 2x DVI1x HDMI2x mini-DisplayPort | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 2.1 |
Other Features
Mobile graphics
| Release date | — | Sep 3rd, 2010 |
|---|---|---|
| Generation | — | GeForce 400M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 300M |
| Successor | — | GeForce 500M |
