NVIDIA GeForce 945M vs NVIDIA GeForce 840A

Comparative analysis of NVIDIA GeForce 945M and NVIDIA GeForce 840A 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 66% higher texture fill rate: 29.81 GTexel / s vs 17.98 GTexel / s
• Around 33% higher pipelines: 512 vs 384
• Around 11% better floating-point performance: 953.9 gflops vs 863.2 gflops
• 2x more maximum memory size: 2 GB vs 1 GB
• Around 79% better performance in PassMark - G3D Mark: 2108 vs 1180
• Around 45% better performance in Geekbench - OpenCL: 8099 vs 5596
• Around 35% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2961 vs 2188
• Around 59% better performance in GFXBench 4.0 - Manhattan (Frames): 3683 vs 2314
• Around 7% better performance in GFXBench 4.0 - T-Rex (Frames): 3343 vs 3117
• Around 35% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2961 vs 2188
• Around 59% better performance in GFXBench 4.0 - Manhattan (Fps): 3683 vs 2314
• Around 7% better performance in GFXBench 4.0 - T-Rex (Fps): 3343 vs 3117

Reasons to consider the NVIDIA GeForce 840A

• Around 4% higher boost clock speed: 1124 MHz vs 1085 MHz
• 2.3x lower typical power consumption: 33 Watt vs 75 Watt
• Around 11% higher memory clock speed: 2002 MHz vs 1800 MHz
• Around 4% better performance in PassMark - G2D Mark: 266 vs 255

Compare benchmarks

GPU 1: NVIDIA GeForce 945M
GPU 2: NVIDIA GeForce 840A

PassMark - G3D Mark	GPU 1 GPU 2	2108 1180
PassMark - G2D Mark	GPU 1 GPU 2	255 266
Geekbench - OpenCL	GPU 1 GPU 2	8099 5596
GFXBench 4.0 - Car Chase Offscreen (Frames)	GPU 1 GPU 2	2961 2188
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	3683 2314
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3343 3117
GFXBench 4.0 - Car Chase Offscreen (Fps)	GPU 1 GPU 2	2961 2188
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	3683 2314
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3343 3117

Compare specifications (specs)