NVIDIA GeForce GTX 775M Mac Edition vs AMD Radeon HD 6990
Comparative analysis of NVIDIA GeForce GTX 775M Mac Edition and AMD Radeon HD 6990 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: 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 775M Mac Edition
- Videocard is newer: launch date 2 year(s) 7 month(s) later
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 3.8x lower typical power consumption: 100 Watt vs 375 Watt
- Around 19% better performance in PassMark - G3D Mark: 3594 vs 3013
- Around 45% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 24.986 vs 17.264
- Around 34% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 2.362 vs 1.76
- Around 32% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 6030 vs 4562
- Around 32% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 6030 vs 4562
Specifications (specs) | |
Launch date | 8 November 2013 vs 8 March 2011 |
Manufacturing process technology | 28 nm vs 40 nm |
Thermal Design Power (TDP) | 100 Watt vs 375 Watt |
Benchmarks | |
PassMark - G3D Mark | 3594 vs 3013 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 24.986 vs 17.264 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 2.362 vs 1.76 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 6030 vs 4562 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 6030 vs 4562 |
Reasons to consider the AMD Radeon HD 6990
- Around 4% higher core clock speed: 830 MHz vs 797 MHz
- 3.1x more texture fill rate: 2x 79.7 GTexel / s billion / sec vs 89.26 GTexel / s
- 2.3x more pipelines: 2x 1536 vs 1344
- 2.4x better floating-point performance: 2x 2,549.8 gflops vs 2,142 gflops
- 2x more maximum memory size: 2x 2 GB vs 2 GB
- Around 14% better performance in PassMark - G2D Mark: 630 vs 555
- Around 2% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 840.452 vs 826.477
- Around 53% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 53.903 vs 35.269
- 4.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 265.302 vs 55.394
- Around 2% better performance in GFXBench 4.0 - Manhattan (Frames): 3713 vs 3657
- Around 2% better performance in GFXBench 4.0 - Manhattan (Fps): 3713 vs 3657
Specifications (specs) | |
Core clock speed | 830 MHz vs 797 MHz |
Texture fill rate | 2x 79.7 GTexel / s billion / sec vs 89.26 GTexel / s |
Pipelines | 2x 1536 vs 1344 |
Floating-point performance | 2x 2,549.8 gflops vs 2,142 gflops |
Maximum memory size | 2x 2 GB vs 2 GB |
Benchmarks | |
PassMark - G2D Mark | 630 vs 555 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 840.452 vs 826.477 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 53.903 vs 35.269 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 265.302 vs 55.394 |
GFXBench 4.0 - Manhattan (Frames) | 3713 vs 3657 |
GFXBench 4.0 - T-Rex (Frames) | 3356 vs 3347 |
GFXBench 4.0 - Manhattan (Fps) | 3713 vs 3657 |
GFXBench 4.0 - T-Rex (Fps) | 3356 vs 3347 |
Compare benchmarks
GPU 1: NVIDIA GeForce GTX 775M Mac Edition
GPU 2: AMD Radeon HD 6990
PassMark - G3D Mark |
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PassMark - G2D Mark |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/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 GTX 775M Mac Edition | AMD Radeon HD 6990 |
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PassMark - G3D Mark | 3594 | 3013 |
PassMark - G2D Mark | 555 | 630 |
Geekbench - OpenCL | 12000 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 24.986 | 17.264 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 826.477 | 840.452 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 2.362 | 1.76 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 35.269 | 53.903 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 55.394 | 265.302 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 6030 | 4562 |
GFXBench 4.0 - Manhattan (Frames) | 3657 | 3713 |
GFXBench 4.0 - T-Rex (Frames) | 3347 | 3356 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 6030 | 4562 |
GFXBench 4.0 - Manhattan (Fps) | 3657 | 3713 |
GFXBench 4.0 - T-Rex (Fps) | 3347 | 3356 |
3DMark Fire Strike - Graphics Score | 0 |
Compare specifications (specs)
NVIDIA GeForce GTX 775M Mac Edition | AMD Radeon HD 6990 | |
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Essentials |
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Architecture | Kepler | TeraScale 3 |
Code name | GK104 | Antilles |
Launch date | 8 November 2013 | 8 March 2011 |
Place in performance rating | 625 | 626 |
Type | Desktop | Desktop |
Launch price (MSRP) | $699 | |
Price now | $159.99 | |
Value for money (0-100) | 27.81 | |
Technical info |
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Core clock speed | 797 MHz | 830 MHz |
Floating-point performance | 2,142 gflops | 2x 2,549.8 gflops |
Manufacturing process technology | 28 nm | 40 nm |
Pipelines | 1344 | 2x 1536 |
Texture fill rate | 89.26 GTexel / s | 2x 79.7 GTexel / s billion / sec |
Thermal Design Power (TDP) | 100 Watt | 375 Watt |
Transistor count | 3,540 million | 2,640 million |
Video outputs and ports |
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Display Connectors | No outputs | 1x DVI, 4x mini-DisplayPort |
Compatibility, dimensions and requirements |
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Interface | MXM-B (3.0) | PCIe 2.0 x16 |
Length | 295 mm | |
Supplementary power connectors | 2x 8-pin | |
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 | 2 GB | 2x 2 GB |
Memory bandwidth | 160.0 GB / s | 2x 160.0 GB / s |
Memory bus width | 256 Bit | 2x 256 Bit |
Memory clock speed | 5000 MHz | 5000 MHz |
Memory type | GDDR5 | GDDR5 |