NVIDIA GeForce 945A vs AMD Radeon R9 255 OEM

Comparative analysis of NVIDIA GeForce 945A and AMD Radeon R9 255 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

AMD Radeon R9 255 OEM

Differences

Reasons to consider the NVIDIA GeForce 945A

Videocard is newer: launch date 1 year(s) 2 month(s) later
Around 19% higher core clock speed: 1072 MHz vs 900 MHz
Around 26% higher boost clock speed: 1176 MHz vs 930 MHz
Around 97% lower typical power consumption: 33 Watt vs 65 Watt
Around 82% better performance in PassMark - G2D Mark: 716 vs 394
Around 27% better performance in PassMark - G3D Mark: 1852 vs 1457

Specifications (specs)
Launch date	13 March 2015 vs 21 December 2013
Core clock speed	1072 MHz vs 900 MHz
Boost clock speed	1176 MHz vs 930 MHz
Thermal Design Power (TDP)	33 Watt vs 65 Watt
Benchmarks
PassMark - G2D Mark	716 vs 394
PassMark - G3D Mark	1852 vs 1457

Reasons to consider the AMD Radeon R9 255 OEM

Around 5% higher texture fill rate: 29.76 GTexel / s vs 28.22 GTexel / s
Around 33% higher pipelines: 512 vs 384
Around 5% better floating-point performance: 952.3 gflops vs 903.2 gflops
2.6x more memory clock speed: 4600 MHz vs 1800 MHz
Around 26% better performance in Geekbench - OpenCL: 40722 vs 32359

Specifications (specs)
Texture fill rate	29.76 GTexel / s vs 28.22 GTexel / s
Pipelines	512 vs 384
Floating-point performance	952.3 gflops vs 903.2 gflops
Memory clock speed	4600 MHz vs 1800 MHz
Benchmarks
Geekbench - OpenCL	40722 vs 32359

Compare benchmarks

GPU 1: NVIDIA GeForce 945A
GPU 2: AMD Radeon R9 255 OEM

Geekbench - OpenCL

GPU 1

GPU 2

32359

40722

PassMark - G2D Mark

GPU 1

GPU 2

716

394

PassMark - G3D Mark

GPU 1

GPU 2

1852

1457

Name	NVIDIA GeForce 945A	AMD Radeon R9 255 OEM
Geekbench - OpenCL	32359	40722
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	394
PassMark - G3D Mark	1852	1457
GFXBench 4.0 - Car Chase Offscreen (Frames)		3112
GFXBench 4.0 - Car Chase Offscreen (Fps)		3112
GFXBench 4.0 - Manhattan (Frames)		3168
GFXBench 4.0 - Manhattan (Fps)		3168
GFXBench 4.0 - T-Rex (Frames)		3346
GFXBench 4.0 - T-Rex (Fps)		3346

Compare specifications (specs)

	NVIDIA GeForce 945A	AMD Radeon R9 255 OEM
Essentials
Architecture	Maxwell	GCN 1.0
Code name	GM108	Cape Verde
Launch date	13 March 2015	21 December 2013
Place in performance rating	598	602
Type	Desktop	Desktop
Technical info
Boost clock speed	1176 MHz	930 MHz
Core clock speed	1072 MHz	900 MHz
Floating-point performance	903.2 gflops	952.3 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	384	512
Texture fill rate	28.22 GTexel / s	29.76 GTexel / s
Thermal Design Power (TDP)	33 Watt	65 Watt
Transistor count		1,500 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Supplementary power connectors		1x 6-pin
API support
DirectX	12.0 (11_0)	12.0 (11_1)
OpenGL	4.6	4.5
Memory
Maximum RAM amount	2 GB	2 GB
Memory bandwidth	14.4 GB / s	73.6 GB / s
Memory bus width	64 Bit	128 Bit
Memory clock speed	1800 MHz	4600 MHz
Memory type	DDR3	GDDR5