AMD Radeon HD 6650M vs NVIDIA GeForce GT 340 OEM
Graphics Processor
| GPU model | Whistler | GT215 |
|---|---|---|
| GPU variant | Whistler LE | GT215-301-A3 |
| Architecture | TeraScale 2 | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 716 million | 727 million |
| Die size | 104 mm² | 144 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6600M) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 600 MHz | 550 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 850 MHz 1700 Mbps effective |
| Shader clock | — | 1340 MHz |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 25.60 GB/s | 27.20 GB/s |
Render Configuration
| Shading units | 480 | 96 |
|---|---|---|
| TMUs | 24 | 32 |
| ROPs | 8 | 8 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 256 KB | 64 KB |
| SM count | — | 12 |
Performance
| Pixel rate | 4.800 GPixel/s | 4.400 GPixel/s |
|---|---|---|
| Texture rate | 14.40 GTexel/s | 17.60 GTexel/s |
| FP32 (float) performance | 576.0 GFLOPS | 257.3 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 69 W |
|---|---|---|
| Outputs | No outputs | 1x DVI1x HDMI1x VGA |
| Slot width | — | Single-slot |
| Length | — | 168 mm 6.6 inches |
| Suggested PSU | — | 250 W |
| Power connectors | — | None |
| Board number | — | P672 |
API Support & Features
| DirectX | 11.2 (11_0) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 4.1 |
| CUDA | — | 1.2 |
Other Features
Graphics Card
| Release date | — | Feb 2nd, 2010 |
|---|---|---|
| Generation | — | GeForce 300 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 200 |
| Successor | — | GeForce 400 |
