NVIDIA GeForce GT 745M vs AMD Radeon HD 7640G
Comparative analysis of NVIDIA GeForce GT 745M and AMD Radeon HD 7640G videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the NVIDIA GeForce GT 745M
- Videocard is newer: launch date 10 month(s) later
- Around 68% higher core clock speed: 837 MHz vs 497 MHz
- Around 50% higher pipelines: 384 vs 256
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
- 2.4x better performance in PassMark - G3D Mark: 1096 vs 460
- Around 44% better performance in PassMark - G2D Mark: 178 vs 124
- 2.8x better performance in Geekbench - OpenCL: 3367 vs 1194
- 3.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2255 vs 636
- Around 40% better performance in GFXBench 4.0 - Manhattan (Frames): 3133 vs 2245
- 3.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2255 vs 636
- Around 40% better performance in GFXBench 4.0 - Manhattan (Fps): 3133 vs 2245
| Specifications (specs) | |
| Launch date | 1 April 2013 vs 15 May 2012 |
| Core clock speed | 837 MHz vs 497 MHz |
| Pipelines | 384 vs 256 |
| Manufacturing process technology | 28 nm vs 32 nm |
| Benchmarks | |
| PassMark - G3D Mark | 1096 vs 460 |
| PassMark - G2D Mark | 178 vs 124 |
| Geekbench - OpenCL | 3367 vs 1194 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2255 vs 636 |
| GFXBench 4.0 - Manhattan (Frames) | 3133 vs 2245 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2255 vs 636 |
| GFXBench 4.0 - Manhattan (Fps) | 3133 vs 2245 |
Reasons to consider the AMD Radeon HD 7640G
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 3355 vs 3352 |
| GFXBench 4.0 - T-Rex (Fps) | 3355 vs 3352 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 745M
GPU 2: AMD Radeon HD 7640G
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| Geekbench - OpenCL |
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| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | NVIDIA GeForce GT 745M | AMD Radeon HD 7640G |
|---|---|---|
| PassMark - G3D Mark | 1096 | 460 |
| PassMark - G2D Mark | 178 | 124 |
| Geekbench - OpenCL | 3367 | 1194 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.489 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 202.905 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.66 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.184 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 19.323 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2255 | 636 |
| GFXBench 4.0 - Manhattan (Frames) | 3133 | 2245 |
| GFXBench 4.0 - T-Rex (Frames) | 3352 | 3355 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2255 | 636 |
| GFXBench 4.0 - Manhattan (Fps) | 3133 | 2245 |
| GFXBench 4.0 - T-Rex (Fps) | 3352 | 3355 |
| 3DMark Fire Strike - Graphics Score | 0 |
Compare specifications (specs)
| NVIDIA GeForce GT 745M | AMD Radeon HD 7640G | |
|---|---|---|
Essentials |
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| Architecture | Kepler | Terascale 3 |
| Code name | GK107 | Trinity |
| Launch date | 1 April 2013 | 15 May 2012 |
| Place in performance rating | 1287 | 1289 |
| Type | Laptop | Laptop |
Technical info |
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| Core clock speed | 837 MHz | 497 MHz |
| Floating-point performance | 642.8 gflops | |
| Manufacturing process technology | 28 nm | 32 nm |
| Pipelines | 384 | 256 |
| Texture fill rate | 26.78 GTexel / s | |
| Thermal Design Power (TDP) | 45 Watt | |
| Transistor count | 1,270 million | |
| Boost clock speed | 686 MHz | |
Video outputs and ports |
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| 7.1 channel HD audio on HDMI | ||
| Display Connectors | No outputs | |
| DisplayPort Multimode (DP++) support | Up to 3840x2160 | |
| eDP 1.2 signal support | Up to 3840x2160 | |
| HDCP content protection | ||
| HDMI | ||
| LVDS signal support | Up to 1920x1200 | |
| TrueHD and DTS-HD audio bitstreaming | ||
| VGA аnalog display support | Up to 2048x1536 | |
Compatibility, dimensions and requirements |
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| Bus support | PCI Express 3.0 | |
| Interface | PCIe 3.0 x16 | |
| Laptop size | medium sized | medium sized |
API support |
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| DirectX | 12 API | 11 |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | |
Memory |
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| Maximum RAM amount | 2 GB | |
| Memory bandwidth | 28.8 GB / s | |
| Memory bus width | 128 Bit | |
| Memory clock speed | 1800 MHz | |
| Memory type | DDR3, GDDR5 | |
| Shared memory | 0 | 1 |
| Standard memory configuration | DDR3 / GDDR5 | |
Technologies |
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| 3D Vision | ||
| 3D Vision / 3DTV Play | ||
| Blu-Ray 3D Support | ||
| CUDA | ||
| Direct Compute | ||
| FXAA | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
| Optimus | ||
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