NVIDIA GeForce 940A vs NVIDIA GeForce GTX 870M

Comparative analysis of NVIDIA GeForce 940A and NVIDIA GeForce GTX 870M 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, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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 - Car Chase Offscreen (Fps), 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce 940A

  • Videocard is newer: launch date 1 year(s) 0 month(s) later
  • Around 9% higher core clock speed: 1029 MHz vs 941 MHz
  • Around 16% higher boost clock speed: 1124 MHz vs 967 MHz
  • 3x lower typical power consumption: 33 Watt vs 100 Watt
Specifications (specs)
Launch date 13 March 2015 vs 12 March 2014
Core clock speed 1029 MHz vs 941 MHz
Boost clock speed 1124 MHz vs 967 MHz
Thermal Design Power (TDP) 33 Watt vs 100 Watt
Benchmarks
GFXBench 4.0 - T-Rex (Frames) 3361 vs 3353
GFXBench 4.0 - T-Rex (Fps) 3361 vs 3353

Reasons to consider the NVIDIA GeForce GTX 870M

  • 6x more texture fill rate: 108.3 GTexel / s vs 17.98 GTexel / s
  • 3.5x more pipelines: 1344 vs 384
  • 3x better floating-point performance: 2,599 gflops vs 863.2 gflops
  • 3x more maximum memory size: 3 GB vs 1 GB
  • 3.1x better performance in PassMark - G3D Mark: 3450 vs 1107
  • Around 29% better performance in PassMark - G2D Mark: 276 vs 214
  • Around 3% better performance in GFXBench 4.0 - Manhattan (Frames): 3718 vs 3615
  • Around 3% better performance in GFXBench 4.0 - Manhattan (Fps): 3718 vs 3615
Specifications (specs)
Texture fill rate 108.3 GTexel / s vs 17.98 GTexel / s
Pipelines 1344 vs 384
Floating-point performance 2,599 gflops vs 863.2 gflops
Maximum memory size 3 GB vs 1 GB
Benchmarks
PassMark - G3D Mark 3450 vs 1107
PassMark - G2D Mark 276 vs 214
GFXBench 4.0 - Manhattan (Frames) 3718 vs 3615
GFXBench 4.0 - Manhattan (Fps) 3718 vs 3615

Compare benchmarks

GPU 1: NVIDIA GeForce 940A
GPU 2: NVIDIA GeForce GTX 870M

PassMark - G3D Mark
GPU 1
GPU 2
1107
3450
PassMark - G2D Mark
GPU 1
GPU 2
214
276
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3615
3718
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3615
3718
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3361
3353
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3361
3353
Name NVIDIA GeForce 940A NVIDIA GeForce GTX 870M
PassMark - G3D Mark 1107 3450
PassMark - G2D Mark 214 276
GFXBench 4.0 - Manhattan (Frames) 3615 3718
GFXBench 4.0 - Manhattan (Fps) 3615 3718
GFXBench 4.0 - T-Rex (Frames) 3361 3353
GFXBench 4.0 - T-Rex (Fps) 3361 3353
Geekbench - OpenCL 12539
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 34.836
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 960.114
CompuBench 1.5 Desktop - T-Rex (Frames/s) 3.038
CompuBench 1.5 Desktop - Video Composition (Frames/s) 59.57
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 81.753
GFXBench 4.0 - Car Chase Offscreen (Frames) 6350
GFXBench 4.0 - Car Chase Offscreen (Fps) 6350
3DMark Fire Strike - Graphics Score 1336

Compare specifications (specs)

NVIDIA GeForce 940A NVIDIA GeForce GTX 870M

Essentials

Architecture Maxwell Kepler
Code name GM108 GK104
Launch date 13 March 2015 12 March 2014
Place in performance rating 730 733
Type Desktop Laptop

Technical info

Boost clock speed 1124 MHz 967 MHz
Core clock speed 1029 MHz 941 MHz
Floating-point performance 863.2 gflops 2,599 gflops
Manufacturing process technology 28 nm 28 nm
Pipelines 384 1344
Texture fill rate 17.98 GTexel / s 108.3 GTexel / s
Thermal Design Power (TDP) 33 Watt 100 Watt
CUDA cores 1344
Transistor count 3,540 million

Video outputs and ports

Display Connectors No outputs No outputs
7.1 channel HD audio on HDMI
DisplayPort Multimode (DP++) support Up to 3840x2160
eDP 1.2 signal support Up to 3840x2160
HDCP content protection
HDMI
LVDS signal support Up to 1920x1200
TrueHD and DTS-HD audio bitstreaming
VGA аnalog display support Up to 2048x1536

Compatibility, dimensions and requirements

Interface PCIe 3.0 x8 MXM-B (3.0)
Bus support PCI Express 2.0, PCI Express 3.0
Laptop size large
Supplementary power connectors None

API support

DirectX 12.0 (11_0) 12.0 (11_0)
OpenGL 4.6 4.5
OpenCL 1.1

Memory

Maximum RAM amount 1 GB 3 GB
Memory bandwidth 16.02 GB / s 120.0 GB / s
Memory bus width 64 Bit 192 Bit
Memory clock speed 2002 MHz
Memory type DDR3 GDDR5
Shared memory 0
Standard memory configuration GDDR5

Technologies

3D Blu-Ray
BatteryBoost
CUDA
Direct Compute
FXAA
GeForce Experience
GeForce ShadowPlay
GPU Boost
H.264, VC1, MPEG2 1080p video decoder
Optimus
SLI
TXAA