NVIDIA GeForce 945M vs NVIDIA GeForce 800A

Comparative analysis of NVIDIA GeForce 945M and NVIDIA GeForce 800A 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).

 

Differences

Reasons to consider the NVIDIA GeForce 945M

  • Videocard is newer: launch date 1 year(s) 7 month(s) later
  • Around 39% higher core clock speed: 1029 MHz vs 738 MHz
  • 5x more texture fill rate: 29.81 GTexel / s vs 5.904 GTexel / s
  • 10.7x more pipelines: 512 vs 48
  • 6.7x better floating-point performance: 953.9 gflops vs 141.7 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 2x more maximum memory size: 2 GB vs 1 GB
  • 4.4x better performance in PassMark - G3D Mark: 2109 vs 477
  • Around 45% better performance in PassMark - G2D Mark: 240 vs 165
Specifications (specs)
Launch date 27 October 2015 vs 17 March 2014
Core clock speed 1029 MHz vs 738 MHz
Texture fill rate 29.81 GTexel / s vs 5.904 GTexel / s
Pipelines 512 vs 48
Floating-point performance 953.9 gflops vs 141.7 gflops
Manufacturing process technology 28 nm vs 40 nm
Maximum memory size 2 GB vs 1 GB
Benchmarks
PassMark - G3D Mark 2109 vs 477
PassMark - G2D Mark 240 vs 165

Reasons to consider the NVIDIA GeForce 800A

  • 5x lower typical power consumption: 15 Watt vs 75 Watt
Thermal Design Power (TDP) 15 Watt vs 75 Watt

Compare benchmarks

GPU 1: NVIDIA GeForce 945M
GPU 2: NVIDIA GeForce 800A

PassMark - G3D Mark
GPU 1
GPU 2
2109
477
PassMark - G2D Mark
GPU 1
GPU 2
240
165
Name NVIDIA GeForce 945M NVIDIA GeForce 800A
PassMark - G3D Mark 2109 477
PassMark - G2D Mark 240 165
Geekbench - OpenCL 8099
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 28.633
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 380.461
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.988
CompuBench 1.5 Desktop - Video Composition (Frames/s) 31.027
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 107.094
GFXBench 4.0 - Car Chase Offscreen (Frames) 2961
GFXBench 4.0 - Manhattan (Frames) 3683
GFXBench 4.0 - T-Rex (Frames) 3343
GFXBench 4.0 - Car Chase Offscreen (Fps) 2961
GFXBench 4.0 - Manhattan (Fps) 3683
GFXBench 4.0 - T-Rex (Fps) 3343

Compare specifications (specs)

NVIDIA GeForce 945M NVIDIA GeForce 800A

Essentials

Architecture Maxwell Fermi 2.0
Code name GM107 GF119
Launch date 27 October 2015 17 March 2014
Place in performance rating 961 963
Type Laptop Desktop

Technical info

Boost clock speed 1085 MHz
Core clock speed 1029 MHz 738 MHz
Floating-point performance 953.9 gflops 141.7 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 512 48
Texture fill rate 29.81 GTexel / s 5.904 GTexel / s
Thermal Design Power (TDP) 75 Watt 15 Watt
Transistor count 1,870 million 292 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Bus support PCI Express 3.0
Interface MXM-B (3.0) PCIe 2.0 x16
Laptop size medium sized
Supplementary power connectors None

API support

DirectX 12.0 (11_0) 12.0 (11_0)
OpenGL 4.5 4.6

Memory

Maximum RAM amount 2 GB 1 GB
Memory bandwidth 16.02 GB / s 14.4 GB / s
Memory bus width 128 Bit 64 Bit
Memory clock speed 1800 MHz 1800 MHz
Memory type DDR3 DDR3
Shared memory 0

Technologies

CUDA
GameWorks
GeForce Experience
GPU Boost
Optimus