NVIDIA GeForce GTX 660M vs ATI FirePro M7820

Comparative analysis of NVIDIA GeForce GTX 660M and ATI FirePro M7820 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 660M

  • Videocard is newer: launch date 1 year(s) 10 month(s) later
  • Around 19% higher core clock speed: 835 MHz vs 700 MHz
  • Around 9% higher texture fill rate: 30.4 billion / sec vs 28 GTexel / s
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 2.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.837 vs 4.956
  • Around 26% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.098 vs 0.869
  • Around 3% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 21.798 vs 21.146
Specifications (specs)
Launch date 22 March 2012 vs 1 May 2010
Core clock speed 835 MHz vs 700 MHz
Texture fill rate 30.4 billion / sec vs 28 GTexel / s
Manufacturing process technology 28 nm vs 40 nm
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 10.837 vs 4.956
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.098 vs 0.869
CompuBench 1.5 Desktop - Video Composition (Frames/s) 21.798 vs 21.146

Reasons to consider the ATI FirePro M7820

  • 2.1x more pipelines: 800 vs 384
  • Around 54% better floating-point performance: 1,120.0 gflops vs 729.6 gflops
  • 2x more memory clock speed: 4000 MHz vs 2000 MHz
  • 4x better performance in Geekbench - OpenCL: 15792 vs 3984
  • Around 48% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 600.944 vs 405.086
  • 3.1x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 103.902 vs 33.754
  • Around 20% better performance in GFXBench 4.0 - Manhattan (Frames): 2709 vs 2253
  • Around 20% better performance in GFXBench 4.0 - Manhattan (Fps): 2709 vs 2253
Specifications (specs)
Pipelines 800 vs 384
Floating-point performance 1,120.0 gflops vs 729.6 gflops
Memory clock speed 4000 MHz vs 2000 MHz
Benchmarks
Geekbench - OpenCL 15792 vs 3984
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 600.944 vs 405.086
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 103.902 vs 33.754
GFXBench 4.0 - Manhattan (Frames) 2709 vs 2253
GFXBench 4.0 - Manhattan (Fps) 2709 vs 2253

Compare benchmarks

GPU 1: NVIDIA GeForce GTX 660M
GPU 2: ATI FirePro M7820

Geekbench - OpenCL
GPU 1
GPU 2
3984
15792
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
10.837
4.956
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
405.086
600.944
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
1.098
0.869
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
21.798
21.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
33.754
103.902
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
2253
2709
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
2253
2709
Name NVIDIA GeForce GTX 660M ATI FirePro M7820
PassMark - G3D Mark 1434
PassMark - G2D Mark 266
Geekbench - OpenCL 3984 15792
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 10.837 4.956
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 405.086 600.944
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.098 0.869
CompuBench 1.5 Desktop - Video Composition (Frames/s) 21.798 21.146
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 33.754 103.902
GFXBench 4.0 - Car Chase Offscreen (Frames) 1094
GFXBench 4.0 - Manhattan (Frames) 2253 2709
GFXBench 4.0 - T-Rex (Frames) 3176
GFXBench 4.0 - Car Chase Offscreen (Fps) 1094
GFXBench 4.0 - Manhattan (Fps) 2253 2709
GFXBench 4.0 - T-Rex (Fps) 3176
3DMark Fire Strike - Graphics Score 475

Compare specifications (specs)

NVIDIA GeForce GTX 660M ATI FirePro M7820

Essentials

Architecture Kepler TeraScale 2
Code name GK107 Broadway
Launch date 22 March 2012 1 May 2010
Place in performance rating 1271 1272
Type Laptop Mobile workstation

Technical info

Boost clock speed 950 MHz
Core clock speed 835 MHz 700 MHz
CUDA cores 384
Floating-point performance 729.6 gflops 1,120.0 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 384 800
Texture fill rate 30.4 billion / sec 28 GTexel / s
Thermal Design Power (TDP) 50 Watt 50 Watt
Transistor count 1,270 million 1,040 million

Video outputs and ports

Display Connectors No outputs No outputs
HDCP
HDMI
Maximum VGA resolution Up to 2048x1536

Compatibility, dimensions and requirements

Bus support PCI Express 2.0, PCI Express 3.0
Interface MXM-B (3.0) PCIe 2.0 x16
Laptop size large large
SLI options 2-way
Supplementary power connectors None

API support

DirectX 12 API 11.2 (11_0)
OpenCL 1.1
OpenGL 4.5 4.4

Memory

Maximum RAM amount 1 GB 1 GB
Memory bandwidth 64.0 GB / s 64.0 GB / s
Memory bus width 128bit 128 Bit
Memory clock speed 2000 MHz 4000 MHz
Memory type GDDR5 GDDR5
Shared memory 0 0

Technologies

3D Vision
3D Vision / 3DTV Play
Adaptive VSync
CUDA
DirectX 11 DirectX 11
FXAA
SLI
TXAA