NVIDIA GeForce 840A vs NVIDIA GeForce GT 340 OEM

Comparative analysis of NVIDIA GeForce 840A and NVIDIA GeForce GT 340 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, 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

NVIDIA GeForce GT 340 OEM

Differences

Reasons to consider the NVIDIA GeForce 840A

Videocard is newer: launch date 4 year(s) 1 month(s) later
Around 87% higher core clock speed: 1029 MHz vs 550 MHz
Around 2% higher texture fill rate: 17.98 GTexel / s vs 17.6 GTexel / s
4x more pipelines: 384 vs 96
3.4x better floating-point performance: 863.2 gflops vs 257.28 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
2.1x lower typical power consumption: 33 Watt vs 69 Watt
Around 18% higher memory clock speed: 2002 MHz vs 1700 MHz
Around 60% better performance in PassMark - G3D Mark: 1180 vs 738
Around 10% better performance in PassMark - G2D Mark: 266 vs 242

Specifications (specs)
Launch date	17 March 2014 vs 2 February 2010
Core clock speed	1029 MHz vs 550 MHz
Texture fill rate	17.98 GTexel / s vs 17.6 GTexel / s
Pipelines	384 vs 96
Floating-point performance	863.2 gflops vs 257.28 gflops
Manufacturing process technology	28 nm vs 40 nm
Thermal Design Power (TDP)	33 Watt vs 69 Watt
Memory clock speed	2002 MHz vs 1700 MHz
Benchmarks
PassMark - G3D Mark	1180 vs 738
PassMark - G2D Mark	266 vs 242

Reasons to consider the NVIDIA GeForce GT 340 OEM

2x better performance in Geekbench - OpenCL: 11231 vs 5596
Around 27% better performance in GFXBench 4.0 - T-Rex (Frames): 3974 vs 3117
Around 27% better performance in GFXBench 4.0 - T-Rex (Fps): 3974 vs 3117

Benchmarks
Geekbench - OpenCL	11231 vs 5596
GFXBench 4.0 - T-Rex (Frames)	3974 vs 3117
GFXBench 4.0 - T-Rex (Fps)	3974 vs 3117

Compare benchmarks

GPU 1: NVIDIA GeForce 840A
GPU 2: NVIDIA GeForce GT 340 OEM

PassMark - G3D Mark

GPU 1

GPU 2

1180

738

PassMark - G2D Mark

GPU 1

GPU 2

266

242

Geekbench - OpenCL

GPU 1

GPU 2

5596

11231

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3117

3974

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3117

3974

Name	NVIDIA GeForce 840A	NVIDIA GeForce GT 340 OEM
PassMark - G3D Mark	1180	738
PassMark - G2D Mark	266	242
Geekbench - OpenCL	5596	11231
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	3974
GFXBench 4.0 - T-Rex (Fps)	3117	3974

Compare specifications (specs)

	NVIDIA GeForce 840A	NVIDIA GeForce GT 340 OEM
Essentials
Architecture	Maxwell	Tesla 2.0
Code name	GM108	GT215
Launch date	17 March 2014	2 February 2010
Place in performance rating	955	957
Type	Desktop	Desktop
Technical info
Boost clock speed	1124 MHz
Core clock speed	1029 MHz	550 MHz
Floating-point performance	863.2 gflops	257.28 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	384	96
Texture fill rate	17.98 GTexel / s	17.6 GTexel / s
Thermal Design Power (TDP)	33 Watt	69 Watt
Transistor count		727 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Length		168 mm
Supplementary power connectors		None
API support
DirectX	12.0 (11_0)	10.1
OpenGL	4.6	3.3
Memory
Maximum RAM amount	1 GB	1 GB
Memory bandwidth	16.02 GB / s	27.2 GB / s
Memory bus width	64 Bit	128 Bit
Memory clock speed	2002 MHz	1700 MHz
Memory type	DDR3	GDDR3