ATI Radeon IGP 340 vs NVIDIA GeForce 840M
Graphics Processor
| GPU model | RS200 | GM108 |
|---|---|---|
| Architecture | Rage 6 | Maxwell |
| Manufacturing process | 180 nm | 28 nm |
| Number of transistors | 30 million | unknown |
| Die size | 73 mm² | unknown |
| GPU variant | — | N15S-GT |
| Foundry | — | TSMC |
Integrated Graphics
| Release date | Oct 5th, 2002 | — |
|---|---|---|
| Generation | Radeon IGP (300) | — |
| Production | End-of-life | — |
| Interface | AGP 4x | — |
Clocks
| GPU clock | 183 MHz | — |
|---|---|---|
| Memory clock | System Shared | 1001 MHz 2 Gbps effective |
| Base clock | — | 1029 MHz |
| Boost clock | — | 1124 MHz |
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
| Pixel shaders | 0 | — |
|---|---|---|
| Vertex shaders | 1 | — |
| TMUs | 2 | 16 |
| ROPs | 2 | 8 |
| Shading units | — | 384 |
| SMM count | — | 3 |
| Cache L1 | — | 64 KB (per SMM) |
| Cache L2 | — | 1024 KB |
Performance
| Pixel rate | 366.0 MPixel/s | 8.992 GPixel/s |
|---|---|---|
| Vertex rate | 45.75 MVertices/s | — |
| Texture rate | 366.0 MTexel/s | 17.98 GTexel/s |
| FP32 (float) performance | — | 863.2 GFLOPS |
| FP64 (double) performance | — | 26.98 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | unknown | 33 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 7.0 | 12 (11_0) |
|---|---|---|
| OpenGL | 1.4 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Pixel shader | — | — |
| Vertex shader | — | — |
| CUDA | — | 5.0 |
| Shader model | — | 5.1 |
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 |
