AMD Radeon Pro Vega 20 vs NVIDIA GeForce GTX 660 Ti

Comparative analysis of AMD Radeon Pro Vega 20 and NVIDIA GeForce GTX 660 Ti 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, 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, 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).

 

Differences

Reasons to consider the AMD Radeon Pro Vega 20

  • Videocard is newer: launch date 6 year(s) 2 month(s) later
  • Around 21% higher boost clock speed: 1190 MHz vs 980 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
  • Around 50% lower typical power consumption: 100 Watt vs 150 Watt
  • 400x more memory clock speed: 2400 MHz vs 6.0 GB/s
  • Around 14% better performance in PassMark - G3D Mark: 5040 vs 4413
  • Around 19% better performance in PassMark - G2D Mark: 559 vs 468
  • Around 73% better performance in Geekbench - OpenCL: 26669 vs 15375
  • 2.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 8311 vs 3285
  • 2.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 8311 vs 3285
Specifications (specs)
Launch date 14 November 2018 vs 16 August 2012
Boost clock speed 1190 MHz vs 980 MHz
Manufacturing process technology 14 nm vs 28 nm
Thermal Design Power (TDP) 100 Watt vs 150 Watt
Memory clock speed 2400 MHz vs 6.0 GB/s
Benchmarks
PassMark - G3D Mark 5040 vs 4413
PassMark - G2D Mark 559 vs 468
Geekbench - OpenCL 26669 vs 15375
GFXBench 4.0 - Car Chase Offscreen (Frames) 8311 vs 3285
GFXBench 4.0 - Car Chase Offscreen (Fps) 8311 vs 3285

Reasons to consider the NVIDIA GeForce GTX 660 Ti

  • 3.1x more core clock speed: 915 MHz vs 300 MHz
  • 2x better performance in GFXBench 4.0 - Manhattan (Frames): 3684 vs 1842
  • 2x better performance in GFXBench 4.0 - T-Rex (Frames): 3337 vs 1663
  • 2x better performance in GFXBench 4.0 - Manhattan (Fps): 3684 vs 1842
  • 2x better performance in GFXBench 4.0 - T-Rex (Fps): 3337 vs 1663
Specifications (specs)
Core clock speed 915 MHz vs 300 MHz
Benchmarks
GFXBench 4.0 - Manhattan (Frames) 3684 vs 1842
GFXBench 4.0 - T-Rex (Frames) 3337 vs 1663
GFXBench 4.0 - Manhattan (Fps) 3684 vs 1842
GFXBench 4.0 - T-Rex (Fps) 3337 vs 1663

Compare benchmarks

GPU 1: AMD Radeon Pro Vega 20
GPU 2: NVIDIA GeForce GTX 660 Ti

PassMark - G3D Mark
GPU 1
GPU 2
5040
4413
PassMark - G2D Mark
GPU 1
GPU 2
559
468
Geekbench - OpenCL
GPU 1
GPU 2
26669
15375
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
8311
3285
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
1842
3684
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
1663
3337
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
8311
3285
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
1842
3684
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
1663
3337
Name AMD Radeon Pro Vega 20 NVIDIA GeForce GTX 660 Ti
PassMark - G3D Mark 5040 4413
PassMark - G2D Mark 559 468
Geekbench - OpenCL 26669 15375
GFXBench 4.0 - Car Chase Offscreen (Frames) 8311 3285
GFXBench 4.0 - Manhattan (Frames) 1842 3684
GFXBench 4.0 - T-Rex (Frames) 1663 3337
GFXBench 4.0 - Car Chase Offscreen (Fps) 8311 3285
GFXBench 4.0 - Manhattan (Fps) 1842 3684
GFXBench 4.0 - T-Rex (Fps) 1663 3337
3DMark Fire Strike - Graphics Score 0 1615
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 36.256
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 1029.267
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.037
CompuBench 1.5 Desktop - Video Composition (Frames/s) 45.894
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 82.191

Compare specifications (specs)

AMD Radeon Pro Vega 20 NVIDIA GeForce GTX 660 Ti

Essentials

Architecture GCN 5.0 Kepler
Code name Vega 12 GK104
Launch date 14 November 2018 16 August 2012
Place in performance rating 483 701
Type Workstation Desktop
Launch price (MSRP) $299
Price now $321.99
Value for money (0-100) 17.34

Technical info

Boost clock speed 1190 MHz 980 MHz
Core clock speed 300 MHz 915 MHz
Manufacturing process technology 14 nm 28 nm
Thermal Design Power (TDP) 100 Watt 150 Watt
CUDA cores 1344
Floating-point performance 2,459.5 gflops
Pipelines 1344
Texture fill rate 102.5 billion / sec
Transistor count 3,540 million

Video outputs and ports

Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort, One Dual Link DVI-I, One Dual Link DVI-D, One HDMI...
Audio input for HDMI Internal
G-SYNC support
HDCP
HDMI
Maximum VGA resolution 2048x1536
Multi monitor support

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 3.0 x16
Length 267 mm 9.5" (24.1 cm)
Supplementary power connectors 1x 6-pin + 1x 8-pin Two 6-pin
Bus support PCI Express 3.0
Height 4.376" (11.1 cm)
SLI options 3-way

API support

DirectX 12.0 (12_1) 12.0 (11_0)
OpenGL 4.6 4.3

Memory

Memory clock speed 2400 MHz 6.0 GB/s
Maximum RAM amount 2 GB
Memory bandwidth 144.2 GB / s
Memory bus width 192-bit GDDR5
Memory type GDDR5
Shared memory 0

Technologies

3D Blu-Ray
3D Gaming
3D Vision
Adaptive VSync
CUDA
FXAA
GPU Boost
SLI
TXAA