AMD Radeon R7 M340 vs NVIDIA GeForce GT 555M
Graphics Processor
| GPU model | Meso | GF106 |
|---|---|---|
| GPU variant | Meso PRO (216-0864032) | N12E-GE-B-A1 |
| Architecture | GCN 3.0 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,550 million | 1,170 million |
| Die size | 125 mm² | 238 mm² |
Mobile graphics
| Release date | May 5th, 2015 | Oct 27th, 2011 |
|---|---|---|
| Generation | Crystal System (R7 M300) | GeForce 500M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Predecessor | Solar System | GeForce 400M |
| Successor | Mobility Radeon | GeForce 600M |
Clocks
| Base clock | 943 MHz | — |
|---|---|---|
| Boost clock | 1021 MHz | — |
| Memory clock | 1000 MHz 2 Gbps effective | 900 MHz 1800 Mbps effective |
| GPU clock | — | 525 MHz |
| Shader clock | — | 1050 MHz |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 16.00 GB/s | 28.80 GB/s |
Render Configuration
| Shading units | 320 | 144 |
|---|---|---|
| TMUs | 20 | 24 |
| ROPs | 8 | 16 |
| Compute units | 5 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 128 KB | 256 KB |
| SM count | — | 3 |
Performance
| Pixel rate | 8.168 GPixel/s | 3.150 GPixel/s |
|---|---|---|
| Texture rate | 20.42 GTexel/s | 12.60 GTexel/s |
| FP16 (half) performance | 653.4 GFLOPS (1:1) | — |
| FP32 (float) performance | 653.4 GFLOPS | 302.4 GFLOPS |
| FP64 (double) performance | 40.84 GFLOPS (1:16) | 25.20 GFLOPS (1:12) |
Dimensions & Outputs
| TDP | unknown | 35 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (12_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 6.0 | 5.1 |
| CUDA | — | 2.1 |
