NVIDIA GeForce 840A vs AMD Radeon HD 6770M

Comparative analysis of NVIDIA GeForce 840A and AMD Radeon HD 6770M 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, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce 840A

• Videocard is newer: launch date 3 year(s) 2 month(s) later
• Around 42% higher core clock speed: 1029 MHz vs 725 MHz
• Around 3% higher texture fill rate: 17.98 GTexel / s vs 17.4 GTexel / s
• Around 24% better floating-point performance: 863.2 gflops vs 696.0 gflops
• A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
• Around 6% lower typical power consumption: 33 Watt vs 35 Watt
• Around 16% better performance in PassMark - G3D Mark: 1123 vs 964

Reasons to consider the AMD Radeon HD 6770M

• Around 25% higher pipelines: 480 vs 384
• Around 80% higher memory clock speed: 3600 MHz vs 2002 MHz
• 2.6x better performance in PassMark - G2D Mark: 572 vs 221
• Around 49% better performance in Geekbench - OpenCL: 8338 vs 5596
• Around 32% better performance in GFXBench 4.0 - Manhattan (Frames): 3044 vs 2314
• Around 32% better performance in GFXBench 4.0 - Manhattan (Fps): 3044 vs 2314
• Around 7% better performance in GFXBench 4.0 - T-Rex (Frames): 3348 vs 3117
• Around 7% better performance in GFXBench 4.0 - T-Rex (Fps): 3348 vs 3117

Compare benchmarks

GPU 1: NVIDIA GeForce 840A
GPU 2: AMD Radeon HD 6770M

PassMark - G3D Mark	GPU 1 GPU 2	1123 964
PassMark - G2D Mark	GPU 1 GPU 2	221 572
Geekbench - OpenCL	GPU 1 GPU 2	5596 8338
GFXBench 4.0 - Manhattan (Frames)	GPU 1 GPU 2	2314 3044
GFXBench 4.0 - Manhattan (Fps)	GPU 1 GPU 2	2314 3044
GFXBench 4.0 - T-Rex (Frames)	GPU 1 GPU 2	3117 3348
GFXBench 4.0 - T-Rex (Fps)	GPU 1 GPU 2	3117 3348

Compare specifications (specs)