AMD Radeon Vega 8 Efficient vs NVIDIA GeForce GTX 645 OEM

Comparative analysis of AMD Radeon Vega 8 Efficient and NVIDIA GeForce GTX 645 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, 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, Geekbench - OpenCL.

 

Differences

Reasons to consider the AMD Radeon Vega 8 Efficient

  • Videocard is newer: launch date 5 year(s) 0 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
  • Around 86% lower typical power consumption: 35 Watt vs 65 Watt
  • Around 1% better performance in PassMark - G3D Mark: 1894 vs 1877
  • Around 89% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 26.039 vs 13.806
  • Around 9% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.666 vs 1.535
  • 3.5x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 135.437 vs 38.664
  • Around 68% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2408 vs 1435
  • Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 3352 vs 3300
  • Around 68% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2408 vs 1435
  • Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 3352 vs 3300
Specifications (specs)
Launch date 23 April 2018 vs 22 April 2013
Manufacturing process technology 14 nm vs 28 nm
Thermal Design Power (TDP) 35 Watt vs 65 Watt
Benchmarks
PassMark - G3D Mark 1894 vs 1877
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 26.039 vs 13.806
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.666 vs 1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s) 27.603 vs 27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 135.437 vs 38.664
GFXBench 4.0 - Car Chase Offscreen (Frames) 2408 vs 1435
GFXBench 4.0 - T-Rex (Frames) 3352 vs 3300
GFXBench 4.0 - Car Chase Offscreen (Fps) 2408 vs 1435
GFXBench 4.0 - T-Rex (Fps) 3352 vs 3300

Reasons to consider the NVIDIA GeForce GTX 645 OEM

  • 2.7x more core clock speed: 824 MHz vs 300 MHz
  • Around 21% better performance in PassMark - G2D Mark: 430 vs 355
  • 3.1x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 546.51 vs 176.928
  • Around 11% better performance in GFXBench 4.0 - Manhattan (Frames): 3531 vs 3170
  • Around 11% better performance in GFXBench 4.0 - Manhattan (Fps): 3531 vs 3170
Specifications (specs)
Core clock speed 824 MHz vs 300 MHz
Benchmarks
PassMark - G2D Mark 430 vs 355
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 546.51 vs 176.928
GFXBench 4.0 - Manhattan (Frames) 3531 vs 3170
GFXBench 4.0 - Manhattan (Fps) 3531 vs 3170

Compare benchmarks

GPU 1: AMD Radeon Vega 8 Efficient
GPU 2: NVIDIA GeForce GTX 645 OEM

PassMark - G3D Mark
GPU 1
GPU 2
1894
1877
PassMark - G2D Mark
GPU 1
GPU 2
355
430
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
26.039
13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
176.928
546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
1.666
1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
27.603
27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
135.437
38.664
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2408
1435
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3170
3531
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3352
3300
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2408
1435
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3170
3531
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3352
3300
Name AMD Radeon Vega 8 Efficient NVIDIA GeForce GTX 645 OEM
PassMark - G3D Mark 1894 1877
PassMark - G2D Mark 355 430
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 26.039 13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 176.928 546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.666 1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s) 27.603 27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 135.437 38.664
GFXBench 4.0 - Car Chase Offscreen (Frames) 2408 1435
GFXBench 4.0 - Manhattan (Frames) 3170 3531
GFXBench 4.0 - T-Rex (Frames) 3352 3300
GFXBench 4.0 - Car Chase Offscreen (Fps) 2408 1435
GFXBench 4.0 - Manhattan (Fps) 3170 3531
GFXBench 4.0 - T-Rex (Fps) 3352 3300
3DMark Fire Strike - Graphics Score 862
Geekbench - OpenCL 5235

Compare specifications (specs)

AMD Radeon Vega 8 Efficient NVIDIA GeForce GTX 645 OEM

Essentials

Architecture GCN 5.0 Kepler
Code name Raven GK106
Launch date 23 April 2018 22 April 2013
Place in performance rating 973 964
Type Desktop Desktop

Technical info

Boost clock speed 1100 MHz
Core clock speed 300 MHz 824 MHz
Manufacturing process technology 14 nm 28 nm
Thermal Design Power (TDP) 35 Watt 65 Watt
Transistor count 4,940 million 2,540 million
Floating-point performance 949.2 gflops
Pipelines 576
Texture fill rate 39.55 GTexel / s

Video outputs and ports

Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort

Compatibility, dimensions and requirements

Interface IGP PCIe 3.0 x16
Supplementary power connectors None None
Length 147 mm

API support

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

Memory

Maximum RAM amount 1 GB
Memory bandwidth 64 GB / s
Memory bus width 128 Bit
Memory clock speed 4000 MHz
Memory type GDDR5