NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon HD 7620G IGP
Comparative analysis of NVIDIA GeForce GT 640 Rev. 2 and AMD Radeon HD 7620G IGP videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: 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), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL.
Differences
Reasons to consider the NVIDIA GeForce GT 640 Rev. 2
- Videocard is newer: launch date 1 year(s) 0 month(s) later
- 2.9x more core clock speed: 1046 MHz vs 360 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
- Around 85% better performance in GFXBench 4.0 - Manhattan (Frames): 3354 vs 1810
- Around 85% better performance in GFXBench 4.0 - Manhattan (Fps): 3354 vs 1810
| Specifications (specs) | |
| Launch date | 29 May 2013 vs 15 May 2012 |
| Core clock speed | 1046 MHz vs 360 MHz |
| Manufacturing process technology | 28 nm vs 32 nm |
| Benchmarks | |
| GFXBench 4.0 - Manhattan (Frames) | 3354 vs 1810 |
| GFXBench 4.0 - Manhattan (Fps) | 3354 vs 1810 |
Reasons to consider the AMD Radeon HD 7620G IGP
- Around 96% lower typical power consumption: 25 Watt vs 49 Watt
- Around 4% better performance in GFXBench 4.0 - T-Rex (Frames): 3357 vs 3220
- Around 4% better performance in GFXBench 4.0 - T-Rex (Fps): 3357 vs 3220
| Specifications (specs) | |
| Thermal Design Power (TDP) | 25 Watt vs 49 Watt |
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 3357 vs 3220 |
| GFXBench 4.0 - T-Rex (Fps) | 3357 vs 3220 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640 Rev. 2
GPU 2: AMD Radeon HD 7620G IGP
| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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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 640 Rev. 2 | AMD Radeon HD 7620G IGP |
|---|---|---|
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 10.475 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 173.537 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.032 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 8.717 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 10.454 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2309 | |
| GFXBench 4.0 - Manhattan (Frames) | 3354 | 1810 |
| GFXBench 4.0 - T-Rex (Frames) | 3220 | 3357 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2309 | |
| GFXBench 4.0 - Manhattan (Fps) | 3354 | 1810 |
| GFXBench 4.0 - T-Rex (Fps) | 3220 | 3357 |
| PassMark - G3D Mark | 364 | |
| PassMark - G2D Mark | 111 | |
| Geekbench - OpenCL | 1232 |
Compare specifications (specs)
| NVIDIA GeForce GT 640 Rev. 2 | AMD Radeon HD 7620G IGP | |
|---|---|---|
Essentials |
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| Architecture | Kepler 2.0 | TeraScale 3 |
| Code name | GK208 | Devastator |
| Launch date | 29 May 2013 | 15 May 2012 |
| Launch price (MSRP) | $89 | |
| Place in performance rating | 1250 | 1252 |
| Type | Desktop | Desktop |
Technical info |
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| Core clock speed | 1046 MHz | 360 MHz |
| Floating-point performance | 803.3 gflops | |
| Manufacturing process technology | 28 nm | 32 nm |
| Pipelines | 384 | |
| Texture fill rate | 16.74 GTexel / s | |
| Thermal Design Power (TDP) | 49 Watt | 25 Watt |
| Boost clock speed | 497 MHz | |
| Transistor count | 1,303 million | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x VGA | No outputs |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x8 | IGP |
| Length | 145 mm | |
| Supplementary power connectors | None | |
API support |
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| DirectX | 12.0 (11_0) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
Memory |
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| Maximum RAM amount | 1 GB | |
| Memory bandwidth | 40.06 GB / s | |
| Memory bus width | 64 Bit | |
| Memory clock speed | 5008 MHz | |
| Memory type | GDDR5 | |
