NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon HD 7450 OEM
Comparative analysis of NVIDIA GeForce GT 640M Mac Edition and AMD Radeon HD 7450 OEM 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 640M Mac Edition
- Videocard is newer: launch date 1 year(s) 0 month(s) later
- Around 19% higher core clock speed: 745 MHz vs 625 MHz
- 4.8x more texture fill rate: 23.84 GTexel / s vs 5 GTexel / s
- 2.4x more pipelines: 384 vs 160
- 2.9x better floating-point performance: 572.2 gflops vs 200.0 gflops
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 4.7x more memory clock speed: 5000 MHz vs 1066 MHz
- 2.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 226.218 vs 99.563
- 3.9x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1706 vs 443
- 3.2x better performance in GFXBench 4.0 - Manhattan (Frames): 2983 vs 919
- 3.4x better performance in GFXBench 4.0 - T-Rex (Frames): 5586 vs 1626
Specifications (specs) | |
Launch date | 3 February 2013 vs 5 January 2012 |
Core clock speed | 745 MHz vs 625 MHz |
Texture fill rate | 23.84 GTexel / s vs 5 GTexel / s |
Pipelines | 384 vs 160 |
Floating-point performance | 572.2 gflops vs 200.0 gflops |
Manufacturing process technology | 28 nm vs 40 nm |
Memory clock speed | 5000 MHz vs 1066 MHz |
Benchmarks | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 vs 99.563 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 vs 443 |
GFXBench 4.0 - Manhattan (Frames) | 2983 vs 919 |
GFXBench 4.0 - T-Rex (Frames) | 5586 vs 1626 |
Reasons to consider the AMD Radeon HD 7450 OEM
- Around 78% lower typical power consumption: 18 Watt vs 32 Watt
- 15.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 443 vs 28.9
- 19.1x better performance in GFXBench 4.0 - Manhattan (Fps): 919 vs 48.1
- 16.3x better performance in GFXBench 4.0 - T-Rex (Fps): 1626 vs 99.8
Specifications (specs) | |
Thermal Design Power (TDP) | 18 Watt vs 32 Watt |
Benchmarks | |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 443 vs 28.9 |
GFXBench 4.0 - Manhattan (Fps) | 919 vs 48.1 |
GFXBench 4.0 - T-Rex (Fps) | 1626 vs 99.8 |
Compare benchmarks
GPU 1: NVIDIA GeForce GT 640M Mac Edition
GPU 2: AMD Radeon HD 7450 OEM
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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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 640M Mac Edition | AMD Radeon HD 7450 OEM |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 6.577 | |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 226.218 | 99.563 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 0.559 | |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 11.947 | |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 12.554 | |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 1706 | 443 |
GFXBench 4.0 - Manhattan (Frames) | 2983 | 919 |
GFXBench 4.0 - T-Rex (Frames) | 5586 | 1626 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 28.9 | 443 |
GFXBench 4.0 - Manhattan (Fps) | 48.1 | 919 |
GFXBench 4.0 - T-Rex (Fps) | 99.8 | 1626 |
PassMark - G3D Mark | 225 | |
PassMark - G2D Mark | 146 | |
Geekbench - OpenCL | 635 |
Compare specifications (specs)
NVIDIA GeForce GT 640M Mac Edition | AMD Radeon HD 7450 OEM | |
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Essentials |
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Architecture | Kepler | TeraScale 2 |
Code name | GK107 | Caicos |
Launch date | 3 February 2013 | 5 January 2012 |
Place in performance rating | 1512 | 1515 |
Type | Desktop | Desktop |
Technical info |
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Core clock speed | 745 MHz | 625 MHz |
Floating-point performance | 572.2 gflops | 200.0 gflops |
Manufacturing process technology | 28 nm | 40 nm |
Pipelines | 384 | 160 |
Texture fill rate | 23.84 GTexel / s | 5 GTexel / s |
Thermal Design Power (TDP) | 32 Watt | 18 Watt |
Transistor count | 1,270 million | 370 million |
Video outputs and ports |
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Display Connectors | No outputs | 1x DVI, 1x HDMI |
Compatibility, dimensions and requirements |
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Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
Length | 168 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 | 512 MB | 512 MB |
Memory bandwidth | 40 GB / s | 8.528 GB / s |
Memory bus width | 64 Bit | 64 Bit |
Memory clock speed | 5000 MHz | 1066 MHz |
Memory type | GDDR5 | GDDR3 |