NVIDIA GeForce GTX 670 vs NVIDIA GeForce GT 645 OEM
Comparative analysis of NVIDIA GeForce GTX 670 and NVIDIA GeForce GT 645 OEM 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 GTX 670
- Around 26% higher core clock speed: 980 MHz vs 776 MHz
- 2.8x more texture fill rate: 102.5 billion / sec vs 37.2 GTexel / s
- 4.7x more pipelines: 1344 vs 288
- 2.8x better floating-point performance: 2,459.5 gflops vs 894.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 2x more maximum memory size: 2 GB vs 1 GB
- 2.7x better performance in PassMark - G3D Mark: 5326 vs 2006
- Around 20% better performance in PassMark - G2D Mark: 532 vs 443
- Around 76% better performance in GFXBench 4.0 - T-Rex (Frames): 3361 vs 1914
- Around 76% better performance in GFXBench 4.0 - T-Rex (Fps): 3361 vs 1914
| Specifications (specs) | |
| Core clock speed | 980 MHz vs 776 MHz |
| Texture fill rate | 102.5 billion / sec vs 37.2 GTexel / s |
| Pipelines | 1344 vs 288 |
| Floating-point performance | 2,459.5 gflops vs 894.0 gflops |
| Manufacturing process technology | 28 nm vs 40 nm |
| Maximum memory size | 2 GB vs 1 GB |
| Benchmarks | |
| PassMark - G3D Mark | 5326 vs 2006 |
| PassMark - G2D Mark | 532 vs 443 |
| GFXBench 4.0 - T-Rex (Frames) | 3361 vs 1914 |
| GFXBench 4.0 - T-Rex (Fps) | 3361 vs 1914 |
Reasons to consider the NVIDIA GeForce GT 645 OEM
- Around 67% lower typical power consumption: 102 Watt vs 170 Watt
- 638x more memory clock speed: 3828 MHz vs 6.0 GB/s
| Thermal Design Power (TDP) | 102 Watt vs 170 Watt |
| Memory clock speed | 3828 MHz vs 6.0 GB/s |
Compare benchmarks
GPU 1: NVIDIA GeForce GTX 670
GPU 2: NVIDIA GeForce GT 645 OEM
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | NVIDIA GeForce GTX 670 | NVIDIA GeForce GT 645 OEM |
|---|---|---|
| PassMark - G3D Mark | 5326 | 2006 |
| PassMark - G2D Mark | 532 | 443 |
| Geekbench - OpenCL | 15494 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 41.613 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 971.208 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 4.281 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 40.404 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 86.208 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 7038 | |
| GFXBench 4.0 - Manhattan (Frames) | 3686 | |
| GFXBench 4.0 - T-Rex (Frames) | 3361 | 1914 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 7038 | |
| GFXBench 4.0 - Manhattan (Fps) | 3686 | |
| GFXBench 4.0 - T-Rex (Fps) | 3361 | 1914 |
| 3DMark Fire Strike - Graphics Score | 1838 |
Compare specifications (specs)
| NVIDIA GeForce GTX 670 | NVIDIA GeForce GT 645 OEM | |
|---|---|---|
Essentials |
||
| Architecture | Kepler | Fermi 2.0 |
| Code name | GK104 | GF114 |
| Launch date | 10 May 2012 | 24 April 2012 |
| Launch price (MSRP) | $399 | |
| Place in performance rating | 568 | 569 |
| Price now | $474.99 | |
| Type | Desktop | Desktop |
| Value for money (0-100) | 13.20 | |
Technical info |
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| Boost clock speed | 980 MHz | |
| Core clock speed | 980 MHz | 776 MHz |
| CUDA cores | 1344 | |
| Floating-point performance | 2,459.5 gflops | 894.0 gflops |
| Manufacturing process technology | 28 nm | 40 nm |
| Maximum GPU temperature | 97 °C | |
| Pipelines | 1344 | 288 |
| Texture fill rate | 102.5 billion / sec | 37.2 GTexel / s |
| Thermal Design Power (TDP) | 170 Watt | 102 Watt |
| Transistor count | 3,540 million | 1,950 million |
Video outputs and ports |
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| Audio input for HDMI | Internal | |
| Display Connectors | One Dual Link DVI-I, One Dual Link DVI-D, One HDMI..., 2x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x mini-HDMI |
| G-SYNC support | ||
| HDCP | ||
| HDMI | ||
| Maximum VGA resolution | 2048x1536 | |
| Multi monitor support | ||
Compatibility, dimensions and requirements |
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| Bus support | PCI Express 3.0 | |
| Height | 4.376" (11.1 cm) | |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 9.5" (24.1 cm) | 210 mm |
| SLI options | 3-way | |
| Supplementary power connectors | Two 6-pin | |
API support |
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| DirectX | 12.0 (11_0) | 12.0 (11_0) |
| OpenGL | 4.2 | 4.6 |
Memory |
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| Maximum RAM amount | 2 GB | 1 GB |
| Memory bandwidth | 192.2 GB / s | 91.9 GB / s |
| Memory bus width | 256-bit GDDR5 | 192 Bit |
| Memory clock speed | 6.0 GB/s | 3828 MHz |
| Memory type | GDDR5 | GDDR5 |
Technologies |
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| 3D Blu-Ray | ||
| 3D Gaming | ||
| 3D Vision | ||
| Adaptive VSync | ||
| CUDA | ||
| FXAA | ||
| GPU Boost | ||
| SLI | ||
| TXAA | ||
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