NVIDIA GeForce 840A vs ATI Mobility Radeon X1900

Comparative analysis of NVIDIA GeForce 840A and ATI Mobility Radeon X1900 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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 840A

ATI Mobility Radeon X1900

Differences

Reasons to consider the NVIDIA GeForce 840A

Videocard is newer: launch date 7 year(s) 2 month(s) later
2.6x more core clock speed: 1029 MHz vs 400 MHz
2.8x more boost clock speed: 1124 MHz vs 400 MHz
3.7x more texture fill rate: 17.98 GTexel / s vs 4.8 GTexel / s
10.7x more pipelines: 384 vs 36
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 80 nm
4x more maximum memory size: 1 GB vs 256 MB
2.1x more memory clock speed: 2002 MHz vs 960 MHz
8.3x better performance in PassMark - G3D Mark: 1123 vs 135
2.2x better performance in GFXBench 4.0 - T-Rex (Frames): 3117 vs 1398
2.2x better performance in GFXBench 4.0 - T-Rex (Fps): 3117 vs 1398

Specifications (specs)
Launch date	17 March 2014 vs 11 January 2007
Core clock speed	1029 MHz vs 400 MHz
Boost clock speed	1124 MHz vs 400 MHz
Texture fill rate	17.98 GTexel / s vs 4.8 GTexel / s
Pipelines	384 vs 36
Manufacturing process technology	28 nm vs 80 nm
Maximum memory size	1 GB vs 256 MB
Memory clock speed	2002 MHz vs 960 MHz
Benchmarks
PassMark - G3D Mark	1123 vs 135
GFXBench 4.0 - T-Rex (Frames)	3117 vs 1398
GFXBench 4.0 - T-Rex (Fps)	3117 vs 1398

Reasons to consider the ATI Mobility Radeon X1900

Around 30% better performance in PassMark - G2D Mark: 287 vs 221

Benchmarks
PassMark - G2D Mark	287 vs 221

Compare benchmarks

GPU 1: NVIDIA GeForce 840A
GPU 2: ATI Mobility Radeon X1900

PassMark - G3D Mark

GPU 1

GPU 2

1123

135

PassMark - G2D Mark

GPU 1

GPU 2

221

287

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3117

1398

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3117

1398

Name	NVIDIA GeForce 840A	ATI Mobility Radeon X1900
PassMark - G3D Mark	1123	135
PassMark - G2D Mark	221	287
Geekbench - OpenCL	5596
GFXBench 4.0 - Car Chase Offscreen (Frames)	2188
GFXBench 4.0 - Car Chase Offscreen (Fps)	2188
GFXBench 4.0 - Manhattan (Frames)	2314
GFXBench 4.0 - Manhattan (Fps)	2314
GFXBench 4.0 - T-Rex (Frames)	3117	1398
GFXBench 4.0 - T-Rex (Fps)	3117	1398

Compare specifications (specs)

	NVIDIA GeForce 840A	ATI Mobility Radeon X1900
Essentials
Architecture	Maxwell	R500
Code name	GM108	M68
Launch date	17 March 2014	11 January 2007
Place in performance rating	1009	1012
Type	Desktop	Laptop
Technical info
Boost clock speed	1124 MHz	400 MHz
Core clock speed	1029 MHz	400 MHz
Floating-point performance	863.2 gflops
Manufacturing process technology	28 nm	80 nm
Pipelines	384	36
Texture fill rate	17.98 GTexel / s	4.8 GTexel / s
Thermal Design Power (TDP)	33 Watt
Transistor count		384 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 1.0 x16
Laptop size		large
API support
DirectX	12.0 (11_0)	9.0c
OpenGL	4.6	2.0
Memory
Maximum RAM amount	1 GB	256 MB
Memory bandwidth	16.02 GB / s	30.72 GB / s
Memory bus width	64 Bit	470 Bit
Memory clock speed	2002 MHz	960 MHz
Memory type	DDR3	256
Shared memory		0
Technologies
Powerplay 6.0