AMD Radeon R7 M260DX vs NVIDIA GeForce 840M
Graphics Processor
| GPU model | Jet | GM108 |
|---|---|---|
| GPU variant | Jet PRO (216-0568010) | N15S-GT |
| Architecture | GCN 1.0 | Maxwell |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 690 million | unknown |
| Die size | 56 mm² | unknown |
Integrated Graphics
| Release date | Jan 7th, 2014 | — |
|---|---|---|
| Generation | Crystal System (Rx M200) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
Clocks
| Base clock | 780 MHz | 1029 MHz |
|---|---|---|
| Boost clock | 855 MHz | 1124 MHz |
| Memory clock | System Shared | 1001 MHz 2 Gbps effective |
Memory Configuration
| Memory size | System Shared | 2 GB |
|---|---|---|
| Memory type | System Shared | DDR3 |
| Memory bus width | System Shared | 64 bit |
| Bandwidth | System Dependent | 16.02 GB/s |
Render Configuration
| Shading units | 320 | 384 |
|---|---|---|
| TMUs | 20 | 16 |
| ROPs | 8 | 8 |
| Compute units | 5 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
| Cache L2 | 128 KB | 1024 KB |
| SMM count | — | 3 |
Performance
| Pixel rate | 6.840 GPixel/s | 8.992 GPixel/s |
|---|---|---|
| Texture rate | 17.10 GTexel/s | 17.98 GTexel/s |
| FP32 (float) performance | 547.2 GFLOPS | 863.2 GFLOPS |
| FP64 (double) performance | 34.20 GFLOPS (1:16) | 26.98 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | unknown | 33 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 5.0 |
Other Features
Mobile graphics
| Release date | — | Mar 12th, 2014 |
|---|---|---|
| Generation | — | GeForce 800M |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x8 |
| Predecessor | — | GeForce 700M |
| Successor | — | GeForce 900M |
