NVIDIA GeForce GT 645M vs ATI Radeon HD 5750

Comparative analysis of NVIDIA GeForce GT 645M and ATI Radeon HD 5750 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 GT 645M

  • Videocard is newer: launch date 2 year(s) 11 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 2.7x lower typical power consumption: 32 Watt vs 86 Watt
  • 2x more maximum memory size: 2 GB vs 1 GB
  • 2.8x better performance in Geekbench - OpenCL: 2683 vs 971
  • Around 15% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 8.493 vs 7.384
  • Around 27% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.863 vs 0.679
  • 2.1x better performance in GFXBench 4.0 - Manhattan (Frames): 3670 vs 1757
  • 2.1x better performance in GFXBench 4.0 - Manhattan (Fps): 3670 vs 1757
Specifications (specs)
Launch date 1 October 2012 vs 13 October 2009
Manufacturing process technology 28 nm vs 40 nm
Thermal Design Power (TDP) 32 Watt vs 86 Watt
Maximum memory size 2 GB vs 1 GB
Benchmarks
Geekbench - OpenCL 2683 vs 971
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 8.493 vs 7.384
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.863 vs 0.679
GFXBench 4.0 - Manhattan (Frames) 3670 vs 1757
GFXBench 4.0 - Manhattan (Fps) 3670 vs 1757

Reasons to consider the ATI Radeon HD 5750

  • Around 11% higher texture fill rate: 25.2 GTexel / s vs 22.7 billion / sec
  • Around 88% higher pipelines: 720 vs 384
  • Around 85% better floating-point performance: 1,008.0 gflops vs 544.5 gflops
  • 2.6x more memory clock speed: 4600 MHz vs 1800 MHz
  • Around 25% better performance in PassMark - G3D Mark: 1166 vs 934
  • 2.1x better performance in PassMark - G2D Mark: 336 vs 161
  • Around 61% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 460.31 vs 285.42
  • Around 34% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 23.118 vs 17.242
  • 2.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 53.346 vs 19.116
  • Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2124 vs 1913
  • Around 11% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2124 vs 1913
Specifications (specs)
Texture fill rate 25.2 GTexel / s vs 22.7 billion / sec
Pipelines 720 vs 384
Floating-point performance 1,008.0 gflops vs 544.5 gflops
Memory clock speed 4600 MHz vs 1800 MHz
Benchmarks
PassMark - G3D Mark 1166 vs 934
PassMark - G2D Mark 336 vs 161
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 460.31 vs 285.42
CompuBench 1.5 Desktop - Video Composition (Frames/s) 23.118 vs 17.242
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 53.346 vs 19.116
GFXBench 4.0 - Car Chase Offscreen (Frames) 2124 vs 1913
GFXBench 4.0 - T-Rex (Frames) 3347 vs 3341
GFXBench 4.0 - Car Chase Offscreen (Fps) 2124 vs 1913
GFXBench 4.0 - T-Rex (Fps) 3347 vs 3341

Compare benchmarks

GPU 1: NVIDIA GeForce GT 645M
GPU 2: ATI Radeon HD 5750

PassMark - G3D Mark
GPU 1
GPU 2
934
1166
PassMark - G2D Mark
GPU 1
GPU 2
161
336
Geekbench - OpenCL
GPU 1
GPU 2
2683
971
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
8.493
7.384
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
285.42
460.31
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
0.863
0.679
CompuBench 1.5 Desktop - Video Composition (Frames/s)
GPU 1
GPU 2
17.242
23.118
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
19.116
53.346
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
1913
2124
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3670
1757
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3341
3347
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
1913
2124
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3670
1757
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3341
3347
Name NVIDIA GeForce GT 645M ATI Radeon HD 5750
PassMark - G3D Mark 934 1166
PassMark - G2D Mark 161 336
Geekbench - OpenCL 2683 971
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 8.493 7.384
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 285.42 460.31
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.863 0.679
CompuBench 1.5 Desktop - Video Composition (Frames/s) 17.242 23.118
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 19.116 53.346
GFXBench 4.0 - Car Chase Offscreen (Frames) 1913 2124
GFXBench 4.0 - Manhattan (Frames) 3670 1757
GFXBench 4.0 - T-Rex (Frames) 3341 3347
GFXBench 4.0 - Car Chase Offscreen (Fps) 1913 2124
GFXBench 4.0 - Manhattan (Fps) 3670 1757
GFXBench 4.0 - T-Rex (Fps) 3341 3347
3DMark Fire Strike - Graphics Score 0

Compare specifications (specs)

NVIDIA GeForce GT 645M ATI Radeon HD 5750

Essentials

Architecture Kepler TeraScale 2
Code name GK107 Juniper
Launch date 1 October 2012 13 October 2009
Place in performance rating 1217 1220
Type Laptop Desktop
Design ATI Radeon HD 5000 Series

Technical info

CUDA cores 384
Floating-point performance 544.5 gflops 1,008.0 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 384 720
Texture fill rate 22.7 billion / sec 25.2 GTexel / s
Thermal Design Power (TDP) 32 Watt 86 Watt
Transistor count 1,270 million 1,040 million
Boost clock speed 700 MHz
Core clock speed 700 MHz

Video outputs and ports

Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
HDCP
HDMI
Maximum VGA resolution Up to 2048x1536
DisplayPort support
Dual-link DVI support
VGA

Compatibility, dimensions and requirements

Bus support PCI Express 2.0, PCI Express 3.0
Interface PCIe 3.0 x16 PCIe 2.0 x16
Laptop size medium sized
Length 178 mm
Supplementary power connectors 1x 6-pin

API support

DirectX 12 API 11
OpenCL 1.1
OpenGL 4.5 4.4

Memory

Maximum RAM amount 2 GB 1 GB
Memory bus width 128bit 128 Bit
Memory clock speed 1800 MHz 4600 MHz
Memory type DDR3\GDDR5 GDDR5
Shared memory 0
Memory bandwidth 73.6 GB / s

Technologies

3D Blu-Ray
3D Vision
CUDA
DirectCompute
DirectX 11 DirectX 11
Optimus
AMD Eyefinity