NVIDIA GeForce 945A vs NVIDIA GeForce 7800 GT

Comparative analysis of NVIDIA GeForce 945A and NVIDIA GeForce 7800 GT 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 GeForce 7800 GT

Differences

Reasons to consider the NVIDIA GeForce 945A

Videocard is newer: launch date 9 year(s) 7 month(s) later
2.7x more core clock speed: 1072 MHz vs 400 MHz
3.5x more texture fill rate: 28.22 GTexel / s vs 8 GTexel / s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 110 nm
Around 97% lower typical power consumption: 33 Watt vs 65 Watt
8x more maximum memory size: 2 GB vs 256 MB
Around 80% higher memory clock speed: 1800 MHz vs 1000 MHz
2.6x better performance in PassMark - G2D Mark: 716 vs 273
7.6x better performance in PassMark - G3D Mark: 1852 vs 244

Specifications (specs)
Launch date	13 March 2015 vs 11 August 2005
Core clock speed	1072 MHz vs 400 MHz
Texture fill rate	28.22 GTexel / s vs 8 GTexel / s
Manufacturing process technology	28 nm vs 110 nm
Thermal Design Power (TDP)	33 Watt vs 65 Watt
Maximum memory size	2 GB vs 256 MB
Memory clock speed	1800 MHz vs 1000 MHz
Benchmarks
PassMark - G2D Mark	716 vs 273
PassMark - G3D Mark	1852 vs 244

Compare benchmarks

GPU 1: NVIDIA GeForce 945A
GPU 2: NVIDIA GeForce 7800 GT

PassMark - G2D Mark

GPU 1

GPU 2

716

273

PassMark - G3D Mark

GPU 1

GPU 2

1852

244

Name	NVIDIA GeForce 945A	NVIDIA GeForce 7800 GT
Geekbench - OpenCL	32359
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	273
PassMark - G3D Mark	1852	244

Compare specifications (specs)

	NVIDIA GeForce 945A	NVIDIA GeForce 7800 GT
Essentials
Architecture	Maxwell	Curie
Code name	GM108	G70
Launch date	13 March 2015	11 August 2005
Place in performance rating	597	596
Type	Desktop	Desktop
Launch price (MSRP)		$449
Price now		$80
Value for money (0-100)		3.16
Technical info
Boost clock speed	1176 MHz
Core clock speed	1072 MHz	400 MHz
Floating-point performance	903.2 gflops
Manufacturing process technology	28 nm	110 nm
Pipelines	384
Texture fill rate	28.22 GTexel / s	8 GTexel / s
Thermal Design Power (TDP)	33 Watt	65 Watt
Transistor count		302 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 1.0 x16
Length		226 mm
Supplementary power connectors		1x 6-pin
API support
DirectX	12.0 (11_0)	9.0c
OpenGL	4.6	2.1
Memory
Maximum RAM amount	2 GB	256 MB
Memory bandwidth	14.4 GB / s	32.0 GB / s
Memory bus width	64 Bit	256 Bit
Memory clock speed	1800 MHz	1000 MHz
Memory type	DDR3	GDDR3