NVIDIA GeForce GT 640 Rev. 2 vs ATI Radeon HD 4850
Comparative analysis of NVIDIA GeForce GT 640 Rev. 2 and ATI Radeon HD 4850 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.
Differences
Reasons to consider the NVIDIA GeForce GT 640 Rev. 2
- Videocard is newer: launch date 4 year(s) 11 month(s) later
- Around 67% higher core clock speed: 1046 MHz vs 625 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
- 2.2x lower typical power consumption: 49 Watt vs 110 Watt
- 2x more maximum memory size: 1 GB vs 512 MB
- 2.5x more memory clock speed: 5008 MHz vs 1986 MHz
| Launch date | 29 May 2013 vs 25 June 2008 |
| Core clock speed | 1046 MHz vs 625 MHz |
| Manufacturing process technology | 28 nm vs 55 nm |
| Thermal Design Power (TDP) | 49 Watt vs 110 Watt |
| Maximum memory size | 1 GB vs 512 MB |
| Memory clock speed | 5008 MHz vs 1986 MHz |
Reasons to consider the ATI Radeon HD 4850
- Around 49% higher texture fill rate: 25 GTexel / s vs 16.74 GTexel / s
- 2.1x more pipelines: 800 vs 384
- Around 24% better floating-point performance: 1,000.0 gflops vs 803.3 gflops
- Around 4% better performance in GFXBench 4.0 - T-Rex (Frames): 3344 vs 3220
- Around 4% better performance in GFXBench 4.0 - T-Rex (Fps): 3344 vs 3220
| Specifications (specs) | |
| Texture fill rate | 25 GTexel / s vs 16.74 GTexel / s |
| Pipelines | 800 vs 384 |
| Floating-point performance | 1,000.0 gflops vs 803.3 gflops |
| Benchmarks | |
| GFXBench 4.0 - T-Rex (Frames) | 3344 vs 3220 |
| GFXBench 4.0 - T-Rex (Fps) | 3344 vs 3220 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640 Rev. 2
GPU 2: ATI Radeon HD 4850
| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | NVIDIA GeForce GT 640 Rev. 2 | ATI Radeon HD 4850 |
|---|---|---|
| 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 | |
| GFXBench 4.0 - T-Rex (Frames) | 3220 | 3344 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2309 | |
| GFXBench 4.0 - Manhattan (Fps) | 3354 | |
| GFXBench 4.0 - T-Rex (Fps) | 3220 | 3344 |
| PassMark - G3D Mark | 935 | |
| PassMark - G2D Mark | 80 |
Compare specifications (specs)
| NVIDIA GeForce GT 640 Rev. 2 | ATI Radeon HD 4850 | |
|---|---|---|
Essentials |
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| Architecture | Kepler 2.0 | TeraScale |
| Code name | GK208 | RV770 |
| Launch date | 29 May 2013 | 25 June 2008 |
| Launch price (MSRP) | $89 | $199 |
| Place in performance rating | 1274 | 1277 |
| Type | Desktop | Desktop |
Technical info |
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| Core clock speed | 1046 MHz | 625 MHz |
| Floating-point performance | 803.3 gflops | 1,000.0 gflops |
| Manufacturing process technology | 28 nm | 55 nm |
| Pipelines | 384 | 800 |
| Texture fill rate | 16.74 GTexel / s | 25 GTexel / s |
| Thermal Design Power (TDP) | 49 Watt | 110 Watt |
| Transistor count | 956 million | |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 1x VGA | 2x DVI, 1x S-Video |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x8 | PCIe 2.0 x16 |
| Length | 145 mm | 246 mm |
| Supplementary power connectors | None | 1x 6-pin |
API support |
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| DirectX | 12.0 (11_0) | 10.1 |
| OpenGL | 4.6 | 3.3 |
Memory |
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| Maximum RAM amount | 1 GB | 512 MB |
| Memory bandwidth | 40.06 GB / s | 63.6 GB / s |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 5008 MHz | 1986 MHz |
| Memory type | GDDR5 | GDDR3 |
Navigation
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