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
GPU 1
GPU 2
3594
3013
PassMark - G2D Mark
GPU 1
GPU 2
555
630
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
24.986
17.264
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
826.477
840.452
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
2.362
1.76
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
35.269
53.903
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
55.394
265.302
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
6030
4562
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3657
3713
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3347
3356
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
6030
4562
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3657
3713
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3347
3356
Name NVIDIA GeForce GTX 775M Mac Edition AMD Radeon HD 6990
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

Essentials

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

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

Display Connectors No outputs 1x DVI, 4x mini-DisplayPort

Compatibility, dimensions and requirements

Interface MXM-B (3.0) PCIe 2.0 x16
Length 295 mm
Supplementary power connectors 2x 8-pin

API support

DirectX 12.0 (11_0) 11.2 (11_0)
OpenGL 4.6 4.4

Memory

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