NVIDIA GeForce 945A vs NVIDIA GeForce GTX 555 OEM

Comparative analysis of NVIDIA GeForce 945A and NVIDIA GeForce GTX 555 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: 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, 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).

NVIDIA GeForce 945A

NVIDIA GeForce GTX 555 OEM

Differences

Reasons to consider the NVIDIA GeForce 945A

Videocard is newer: launch date 3 year(s) 9 month(s) later
Around 46% higher core clock speed: 1072 MHz vs 736 MHz
Around 33% higher pipelines: 384 vs 288
Around 7% better floating-point performance: 903.2 gflops vs 847.9 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
4.5x lower typical power consumption: 33 Watt vs 150 Watt
2x more maximum memory size: 2 GB vs 1 GB
Around 18% better performance in Geekbench - OpenCL: 32359 vs 27378
Around 60% better performance in PassMark - G2D Mark: 716 vs 447
Around 18% better performance in PassMark - G3D Mark: 1852 vs 1572

Specifications (specs)
Launch date	13 March 2015 vs 14 May 2011
Core clock speed	1072 MHz vs 736 MHz
Pipelines	384 vs 288
Floating-point performance	903.2 gflops vs 847.9 gflops
Manufacturing process technology	28 nm vs 40 nm
Thermal Design Power (TDP)	33 Watt vs 150 Watt
Maximum memory size	2 GB vs 1 GB
Benchmarks
Geekbench - OpenCL	32359 vs 27378
PassMark - G2D Mark	716 vs 447
PassMark - G3D Mark	1852 vs 1572

Reasons to consider the NVIDIA GeForce GTX 555 OEM

Around 25% higher texture fill rate: 35.3 GTexel / s vs 28.22 GTexel / s
2.1x more memory clock speed: 3828 MHz vs 1800 MHz

Texture fill rate	35.3 GTexel / s vs 28.22 GTexel / s
Memory clock speed	3828 MHz vs 1800 MHz

Compare benchmarks

GPU 1: NVIDIA GeForce 945A
GPU 2: NVIDIA GeForce GTX 555 OEM

Geekbench - OpenCL

GPU 1

GPU 2

32359

27378

PassMark - G2D Mark

GPU 1

GPU 2

716

447

PassMark - G3D Mark

GPU 1

GPU 2

1852

1572

Name	NVIDIA GeForce 945A	NVIDIA GeForce GTX 555 OEM
Geekbench - OpenCL	32359	27378
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	28.865
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	381.898
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.991
CompuBench 1.5 Desktop - Video Composition (Frames/s)	30.793
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	107.63
PassMark - G2D Mark	716	447
PassMark - G3D Mark	1852	1572
GFXBench 4.0 - Car Chase Offscreen (Frames)		2879
GFXBench 4.0 - Car Chase Offscreen (Fps)		2879
GFXBench 4.0 - Manhattan (Frames)		3372
GFXBench 4.0 - Manhattan (Fps)		3372
GFXBench 4.0 - T-Rex (Frames)		3322
GFXBench 4.0 - T-Rex (Fps)		3322

Compare specifications (specs)

	NVIDIA GeForce 945A	NVIDIA GeForce GTX 555 OEM
Essentials
Architecture	Maxwell	Fermi 2.0
Code name	GM108	GF114
Launch date	13 March 2015	14 May 2011
Place in performance rating	598	600
Type	Desktop	Desktop
Technical info
Boost clock speed	1176 MHz
Core clock speed	1072 MHz	736 MHz
Floating-point performance	903.2 gflops	847.9 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	384	288
Texture fill rate	28.22 GTexel / s	35.3 GTexel / s
Thermal Design Power (TDP)	33 Watt	150 Watt
Transistor count		1,950 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x mini-HDMI
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Length		210 mm
Supplementary power connectors		2x 6-pin
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	14.4 GB / s	91.9 GB / s
Memory bus width	64 Bit	192 Bit
Memory clock speed	1800 MHz	3828 MHz
Memory type	DDR3	GDDR5