NVIDIA GeForce 945A vs NVIDIA Tesla K40m

Comparative analysis of NVIDIA GeForce 945A and NVIDIA Tesla K40m 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: 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), PassMark - G2D Mark, PassMark - G3D Mark.

NVIDIA GeForce 945A

NVIDIA Tesla K40m

Differences

Reasons to consider the NVIDIA GeForce 945A

Videocard is newer: launch date 1 year(s) 3 month(s) later
Around 61% higher core clock speed: 1072 MHz vs 667 MHz
Around 58% higher boost clock speed: 1176 MHz vs 745 MHz
7.4x lower typical power consumption: 33 Watt vs 245 Watt
Around 66% better performance in Geekbench - OpenCL: 32359 vs 19519
3.9x better performance in PassMark - G2D Mark: 716 vs 184

Specifications (specs)
Launch date	13 March 2015 vs 22 November 2013
Core clock speed	1072 MHz vs 667 MHz
Boost clock speed	1176 MHz vs 745 MHz
Thermal Design Power (TDP)	33 Watt vs 245 Watt
Benchmarks
Geekbench - OpenCL	32359 vs 19519
PassMark - G2D Mark	716 vs 184

Reasons to consider the NVIDIA Tesla K40m

6.3x more texture fill rate: 178.8 GTexel / s vs 28.22 GTexel / s
7.5x more pipelines: 2880 vs 384
4.8x better floating-point performance: 4,291 gflops vs 903.2 gflops
6x more maximum memory size: 12 GB vs 2 GB
3.3x more memory clock speed: 6008 MHz vs 1800 MHz
2.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 68.519 vs 28.865
4.9x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1884.11 vs 381.898
3.2x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 6.358 vs 1.991
3.8x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 117.253 vs 30.793
2.9x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 310.472 vs 107.63
Around 70% better performance in PassMark - G3D Mark: 3143 vs 1852

Specifications (specs)
Texture fill rate	178.8 GTexel / s vs 28.22 GTexel / s
Pipelines	2880 vs 384
Floating-point performance	4,291 gflops vs 903.2 gflops
Maximum memory size	12 GB vs 2 GB
Memory clock speed	6008 MHz vs 1800 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	68.519 vs 28.865
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1884.11 vs 381.898
CompuBench 1.5 Desktop - T-Rex (Frames/s)	6.358 vs 1.991
CompuBench 1.5 Desktop - Video Composition (Frames/s)	117.253 vs 30.793
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	310.472 vs 107.63
PassMark - G3D Mark	3143 vs 1852

Compare benchmarks

GPU 1: NVIDIA GeForce 945A
GPU 2: NVIDIA Tesla K40m

Geekbench - OpenCL

GPU 1

GPU 2

32359

19519

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

28.865

68.519

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

GPU 1

GPU 2

381.898

1884.11

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

1.991

6.358

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

30.793

117.253

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

107.63

310.472

PassMark - G2D Mark

GPU 1

GPU 2

716

184

PassMark - G3D Mark

GPU 1

GPU 2

1852

3143

Name	NVIDIA GeForce 945A	NVIDIA Tesla K40m
Geekbench - OpenCL	32359	19519
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	28.865	68.519
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	381.898	1884.11
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.991	6.358
CompuBench 1.5 Desktop - Video Composition (Frames/s)	30.793	117.253
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	107.63	310.472
PassMark - G2D Mark	716	184
PassMark - G3D Mark	1852	3143

Compare specifications (specs)

	NVIDIA GeForce 945A	NVIDIA Tesla K40m
Essentials
Architecture	Maxwell	Kepler
Code name	GM108	GK110B
Launch date	13 March 2015	22 November 2013
Place in performance rating	594	596
Type	Desktop	Workstation
Launch price (MSRP)		$7,699
Technical info
Boost clock speed	1176 MHz	745 MHz
Core clock speed	1072 MHz	667 MHz
Floating-point performance	903.2 gflops	4,291 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	384	2880
Texture fill rate	28.22 GTexel / s	178.8 GTexel / s
Thermal Design Power (TDP)	33 Watt	245 Watt
Transistor count		7,080 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Length		267 mm
API support
DirectX	12.0 (11_0)	12.0 (11_1)
OpenGL	4.6	4.6
Memory
Maximum RAM amount	2 GB	12 GB
Memory bandwidth	14.4 GB / s	288.4 GB / s
Memory bus width	64 Bit	384 Bit
Memory clock speed	1800 MHz	6008 MHz
Memory type	DDR3	GDDR5