NVIDIA GeForce GTX 970M vs NVIDIA GeForce GT 645 OEM
Comparative analysis of NVIDIA GeForce GTX 970M 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 970M
- Videocard is newer: launch date 2 year(s) 5 month(s) later
- Around 19% higher core clock speed: 924 MHz vs 776 MHz
- 2.2x more texture fill rate: 83.04 GTexel / s vs 37.2 GTexel / s
- 4.4x more pipelines: 1280 vs 288
- 3x better floating-point performance: 2,657 gflops vs 894.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- Around 26% lower typical power consumption: 81 Watt vs 102 Watt
- 6x more maximum memory size: 6 GB vs 1 GB
- 2.8x better performance in PassMark - G3D Mark: 5709 vs 2006
- Around 75% better performance in GFXBench 4.0 - T-Rex (Frames): 3342 vs 1914
- Around 75% better performance in GFXBench 4.0 - T-Rex (Fps): 3342 vs 1914
| Specifications (specs) | |
| Launch date | 7 October 2014 vs 24 April 2012 |
| Core clock speed | 924 MHz vs 776 MHz |
| Texture fill rate | 83.04 GTexel / s vs 37.2 GTexel / s |
| Pipelines | 1280 vs 288 |
| Floating-point performance | 2,657 gflops vs 894.0 gflops |
| Manufacturing process technology | 28 nm vs 40 nm |
| Thermal Design Power (TDP) | 81 Watt vs 102 Watt |
| Maximum memory size | 6 GB vs 1 GB |
| Benchmarks | |
| PassMark - G3D Mark | 5709 vs 2006 |
| GFXBench 4.0 - T-Rex (Frames) | 3342 vs 1914 |
| GFXBench 4.0 - T-Rex (Fps) | 3342 vs 1914 |
Reasons to consider the NVIDIA GeForce GT 645 OEM
- Around 53% higher memory clock speed: 3828 MHz vs 2500 MHz
- Around 15% better performance in PassMark - G2D Mark: 443 vs 385
| Specifications (specs) | |
| Memory clock speed | 3828 MHz vs 2500 MHz |
| Benchmarks | |
| PassMark - G2D Mark | 443 vs 385 |
Compare benchmarks
GPU 1: NVIDIA GeForce GTX 970M
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 970M | NVIDIA GeForce GT 645 OEM |
|---|---|---|
| PassMark - G3D Mark | 5709 | 2006 |
| PassMark - G2D Mark | 385 | 443 |
| Geekbench - OpenCL | 19038 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 59.428 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 1113.788 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 4.157 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 39.101 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 81.909 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 8546 | |
| GFXBench 4.0 - Manhattan (Frames) | 3699 | |
| GFXBench 4.0 - T-Rex (Frames) | 3342 | 1914 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 8546 | |
| GFXBench 4.0 - Manhattan (Fps) | 3699 | |
| GFXBench 4.0 - T-Rex (Fps) | 3342 | 1914 |
| 3DMark Fire Strike - Graphics Score | 2286 |
Compare specifications (specs)
| NVIDIA GeForce GTX 970M | NVIDIA GeForce GT 645 OEM | |
|---|---|---|
Essentials |
||
| Architecture | Maxwell 2.0 | Fermi 2.0 |
| Code name | GM204 | GF114 |
| Launch date | 7 October 2014 | 24 April 2012 |
| Launch price (MSRP) | $2,560.89 | |
| Place in performance rating | 557 | 559 |
| Price now | $1,899 | |
| Type | Laptop | Desktop |
| Value for money (0-100) | 3.99 | |
Technical info |
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| Boost clock speed | 1038 MHz | |
| Core clock speed | 924 MHz | 776 MHz |
| CUDA cores | 1280 | |
| Floating-point performance | 2,657 gflops | 894.0 gflops |
| Manufacturing process technology | 28 nm | 40 nm |
| Pipelines | 1280 | 288 |
| Texture fill rate | 83.04 GTexel / s | 37.2 GTexel / s |
| Thermal Design Power (TDP) | 81 Watt | 102 Watt |
| Transistor count | 5,200 million | 1,950 million |
Video outputs and ports |
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| Display Connectors | No outputs | 2x DVI, 1x mini-HDMI |
| DisplayPort Multimode (DP++) support | 1 | |
| G-SYNC support | ||
| HDMI | ||
| VGA аnalog display support | 1 | |
Compatibility, dimensions and requirements |
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| Bus support | PCI Express 3.0 | |
| Interface | MXM-B (3.0) | PCIe 2.0 x16 |
| Laptop size | large | |
| SLI options | 1 | |
| Supplementary power connectors | None | |
| Length | 210 mm | |
API support |
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| DirectX | 12.0 (12_1) | 12.0 (11_0) |
| OpenCL | 1.1 | |
| OpenGL | 4.5 | 4.6 |
Memory |
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| Maximum RAM amount | 6 GB | 1 GB |
| Memory bandwidth | 120 GB / s | 91.9 GB / s |
| Memory bus width | 192 Bit | 192 Bit |
| Memory clock speed | 2500 MHz | 3828 MHz |
| Memory type | GDDR5 | GDDR5 |
| Shared memory | 0 | |
Technologies |
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| Ansel | ||
| BatteryBoost | ||
| CUDA | ||
| DSR | ||
| GameStream | ||
| GameWorks | ||
| GeForce Experience | ||
| GeForce ShadowPlay | ||
| GPU Boost | ||
| H.264, VC1, MPEG2 1080p video decoder | ||
| Optimus | ||
| SLI | ||
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