NVIDIA GeForce GT 720A vs NVIDIA GeForce GTX 645 OEM

Comparative analysis of NVIDIA GeForce GT 720A and NVIDIA GeForce GTX 645 OEM 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, 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).

NVIDIA GeForce GT 720A

NVIDIA GeForce GTX 645 OEM

Differences

Reasons to consider the NVIDIA GeForce GT 720A

Videocard is newer: launch date 1 year(s) 2 month(s) later
Around 14% higher core clock speed: 938 MHz vs 824 MHz
Around 97% lower typical power consumption: 33 Watt vs 65 Watt
2x more maximum memory size: 2 GB vs 1 GB
2.3x better performance in Geekbench - OpenCL: 11927 vs 5202

Specifications (specs)
Launch date	1 July 2014 vs 22 April 2013
Core clock speed	938 MHz vs 824 MHz
Thermal Design Power (TDP)	33 Watt vs 65 Watt
Maximum memory size	2 GB vs 1 GB
Benchmarks
Geekbench - OpenCL	11927 vs 5202

Reasons to consider the NVIDIA GeForce GTX 645 OEM

2.6x more texture fill rate: 39.55 GTexel / s vs 15.01 GTexel / s
6x more pipelines: 576 vs 96
2.6x better floating-point performance: 949.2 gflops vs 360.2 gflops
2x more memory clock speed: 4000 MHz vs 2000 MHz
3.3x better performance in PassMark - G3D Mark: 1883 vs 574
2x better performance in PassMark - G2D Mark: 428 vs 212

Specifications (specs)
Texture fill rate	39.55 GTexel / s vs 15.01 GTexel / s
Pipelines	576 vs 96
Floating-point performance	949.2 gflops vs 360.2 gflops
Memory clock speed	4000 MHz vs 2000 MHz
Benchmarks
PassMark - G3D Mark	1883 vs 574
PassMark - G2D Mark	428 vs 212

Compare benchmarks

GPU 1: NVIDIA GeForce GT 720A
GPU 2: NVIDIA GeForce GTX 645 OEM

PassMark - G3D Mark

GPU 1

GPU 2

574

1883

PassMark - G2D Mark

GPU 1

GPU 2

212

428

Geekbench - OpenCL

GPU 1

GPU 2

11927

5202

Name	NVIDIA GeForce GT 720A	NVIDIA GeForce GTX 645 OEM
PassMark - G3D Mark	574	1883
PassMark - G2D Mark	212	428
Geekbench - OpenCL	11927	5202
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		13.806
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		546.51
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.535
CompuBench 1.5 Desktop - Video Composition (Frames/s)		27.524
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		38.664
GFXBench 4.0 - Car Chase Offscreen (Frames)		1435
GFXBench 4.0 - Manhattan (Frames)		3531
GFXBench 4.0 - T-Rex (Frames)		3300
GFXBench 4.0 - Car Chase Offscreen (Fps)		1435
GFXBench 4.0 - Manhattan (Fps)		3531
GFXBench 4.0 - T-Rex (Fps)		3300

Compare specifications (specs)

	NVIDIA GeForce GT 720A	NVIDIA GeForce GTX 645 OEM
Essentials
Architecture	Fermi 2.0	Kepler
Code name	GF117	GK106
Launch date	1 July 2014	22 April 2013
Place in performance rating	966	968
Type	Desktop	Desktop
Technical info
Core clock speed	938 MHz	824 MHz
Floating-point performance	360.2 gflops	949.2 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	96	576
Texture fill rate	15.01 GTexel / s	39.55 GTexel / s
Thermal Design Power (TDP)	33 Watt	65 Watt
Transistor count	585 million	2,540 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length		147 mm
Supplementary power connectors		None
API support
DirectX	12.0 (11_0)	12.0 (11_0)
OpenGL	4.6	4.6
Memory
Maximum RAM amount	2 GB	1 GB
Memory bandwidth	16 GB / s	64 GB / s
Memory bus width	64 Bit	128 Bit
Memory clock speed	2000 MHz	4000 MHz
Memory type	DDR3	GDDR5