AMD Radeon HD 8490 OEM vs NVIDIA GeForce GTX 660 OEM

Comparative analysis of AMD Radeon HD 8490 OEM and NVIDIA GeForce GTX 660 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: 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 AMD Radeon HD 8490 OEM

  • Videocard is newer: launch date 11 month(s) later
  • Around 6% higher core clock speed: 875 MHz vs 823 MHz
  • 3.7x lower typical power consumption: 35 Watt vs 130 Watt
Launch date 23 July 2013 vs 22 August 2012
Core clock speed 875 MHz vs 823 MHz
Thermal Design Power (TDP) 35 Watt vs 130 Watt

Reasons to consider the NVIDIA GeForce GTX 660 OEM

  • 12.2x more texture fill rate: 85.25 GTexel / s vs 7 GTexel / s
  • 7.2x more pipelines: 1152 vs 160
  • 7.3x better floating-point performance: 2,046 gflops vs 280.0 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • Around 50% higher maximum memory size: 1536 MB vs 1 GB
  • 3.1x more memory clock speed: 5600 MHz vs 1800 MHz
  • 16.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 32.718 vs 2.021
  • 9.8x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1021.371 vs 104.327
  • 13.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 3.143 vs 0.239
  • 10x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 56.509 vs 5.628
  • 2.9x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 67.697 vs 23.365
  • 8.9x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 5983 vs 672
  • 3.4x better performance in GFXBench 4.0 - Manhattan (Frames): 3665 vs 1078
  • Around 59% better performance in GFXBench 4.0 - T-Rex (Frames): 3325 vs 2093
  • 8.9x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 5983 vs 672
  • 3.4x better performance in GFXBench 4.0 - Manhattan (Fps): 3665 vs 1078
  • Around 59% better performance in GFXBench 4.0 - T-Rex (Fps): 3325 vs 2093
Specifications (specs)
Texture fill rate 85.25 GTexel / s vs 7 GTexel / s
Pipelines 1152 vs 160
Floating-point performance 2,046 gflops vs 280.0 gflops
Manufacturing process technology 28 nm vs 40 nm
Maximum memory size 1536 MB vs 1 GB
Memory clock speed 5600 MHz vs 1800 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 32.718 vs 2.021
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1021.371 vs 104.327
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.143 vs 0.239
CompuBench 1.5 Desktop - Video Composition (Frames/s) 56.509 vs 5.628
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 67.697 vs 23.365
GFXBench 4.0 - Car Chase Offscreen (Frames) 5983 vs 672
GFXBench 4.0 - Manhattan (Frames) 3665 vs 1078
GFXBench 4.0 - T-Rex (Frames) 3325 vs 2093
GFXBench 4.0 - Car Chase Offscreen (Fps) 5983 vs 672
GFXBench 4.0 - Manhattan (Fps) 3665 vs 1078
GFXBench 4.0 - T-Rex (Fps) 3325 vs 2093

Compare benchmarks

GPU 1: AMD Radeon HD 8490 OEM
GPU 2: NVIDIA GeForce GTX 660 OEM

CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
2.021
32.718
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
104.327
1021.371
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
0.239
3.143
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
5.628
56.509
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
23.365
67.697
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
672
5983
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1078
3665
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
2093
3325
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
672
5983
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1078
3665
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
2093
3325
Name AMD Radeon HD 8490 OEM NVIDIA GeForce GTX 660 OEM
PassMark - G3D Mark 263
PassMark - G2D Mark 174
Geekbench - OpenCL 872
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 2.021 32.718
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 104.327 1021.371
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.239 3.143
CompuBench 1.5 Desktop - Video Composition (Frames/s) 5.628 56.509
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 23.365 67.697
GFXBench 4.0 - Car Chase Offscreen (Frames) 672 5983
GFXBench 4.0 - Manhattan (Frames) 1078 3665
GFXBench 4.0 - T-Rex (Frames) 2093 3325
GFXBench 4.0 - Car Chase Offscreen (Fps) 672 5983
GFXBench 4.0 - Manhattan (Fps) 1078 3665
GFXBench 4.0 - T-Rex (Fps) 2093 3325
3DMark Fire Strike - Graphics Score 0

Compare specifications (specs)

AMD Radeon HD 8490 OEM NVIDIA GeForce GTX 660 OEM

Essentials

Architecture TeraScale 2 Kepler
Code name Caicos GK104
Launch date 23 July 2013 22 August 2012
Place in performance rating 1541 811
Type Desktop Desktop

Technical info

Core clock speed 875 MHz 823 MHz
Floating-point performance 280.0 gflops 2,046 gflops
Manufacturing process technology 40 nm 28 nm
Pipelines 160 1152
Texture fill rate 7 GTexel / s 85.25 GTexel / s
Thermal Design Power (TDP) 35 Watt 130 Watt
Transistor count 370 million 3,540 million
Boost clock speed 888 MHz

Video outputs and ports

Display Connectors 1x DVI, 1x DisplayPort 2x DVI, 1x HDMI, 1x DisplayPort

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 PCIe 3.0 x16
Length 168 mm 241 mm
Supplementary power connectors None 1x 6-pin

API support

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

Memory

Maximum RAM amount 1 GB 1536 MB
Memory bandwidth 14.4 GB / s 134.4 GB / s
Memory bus width 64 Bit 192 Bit
Memory clock speed 1800 MHz 5600 MHz
Memory type DDR3 GDDR5