AMD Radeon Vega 3 Mobile vs NVIDIA GeForce 840A

Comparative analysis of AMD Radeon Vega 3 Mobile and NVIDIA GeForce 840A 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, 3DMark Fire Strike - Graphics Score, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

AMD Radeon Vega 3 Mobile

NVIDIA GeForce 840A

Differences

Reasons to consider the AMD Radeon Vega 3 Mobile

Videocard is newer: launch date 3 year(s) 10 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 14 nm vs 28 nm
2.2x lower typical power consumption: 15 Watt vs 33 Watt
Around 46% better performance in PassMark - G2D Mark: 322 vs 221
Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 3180 vs 3117
Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 3180 vs 3117

Specifications (specs)
Launch date	1 February 2018 vs 17 March 2014
Manufacturing process technology	14 nm vs 28 nm
Thermal Design Power (TDP)	15 Watt vs 33 Watt
Benchmarks
PassMark - G2D Mark	322 vs 221
GFXBench 4.0 - T-Rex (Frames)	3180 vs 3117
GFXBench 4.0 - T-Rex (Fps)	3180 vs 3117

Reasons to consider the NVIDIA GeForce 840A

3.4x more core clock speed: 1029 MHz vs 300 MHz
Around 11% higher boost clock speed: 1124 MHz vs 1011 MHz
Around 9% better performance in PassMark - G3D Mark: 1123 vs 1035
Around 25% better performance in Geekbench - OpenCL: 5596 vs 4468
Around 25% better performance in GFXBench 4.0 - Manhattan (Frames): 2314 vs 1850
Around 25% better performance in GFXBench 4.0 - Manhattan (Fps): 2314 vs 1850

Specifications (specs)
Core clock speed	1029 MHz vs 300 MHz
Boost clock speed	1124 MHz vs 1011 MHz
Benchmarks
PassMark - G3D Mark	1123 vs 1035
Geekbench - OpenCL	5596 vs 4468
GFXBench 4.0 - Manhattan (Frames)	2314 vs 1850
GFXBench 4.0 - Manhattan (Fps)	2314 vs 1850

Compare benchmarks

GPU 1: AMD Radeon Vega 3 Mobile
GPU 2: NVIDIA GeForce 840A

PassMark - G3D Mark

GPU 1

GPU 2

1035

1123

PassMark - G2D Mark

GPU 1

GPU 2

322

221

Geekbench - OpenCL

GPU 1

GPU 2

4468

5596

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1850

2314

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1850

2314

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3180

3117

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3180

3117

Name	AMD Radeon Vega 3 Mobile	NVIDIA GeForce 840A
PassMark - G3D Mark	1035	1123
PassMark - G2D Mark	322	221
Geekbench - OpenCL	4468	5596
3DMark Fire Strike - Graphics Score	404
GFXBench 4.0 - Manhattan (Frames)	1850	2314
GFXBench 4.0 - Manhattan (Fps)	1850	2314
GFXBench 4.0 - T-Rex (Frames)	3180	3117
GFXBench 4.0 - T-Rex (Fps)	3180	3117
GFXBench 4.0 - Car Chase Offscreen (Frames)		2188
GFXBench 4.0 - Car Chase Offscreen (Fps)		2188

Compare specifications (specs)

	AMD Radeon Vega 3 Mobile	NVIDIA GeForce 840A
Essentials
Architecture	GCN 5.0	Maxwell
Code name	Raven	GM108
Launch date	1 February 2018	17 March 2014
Place in performance rating	988	991
Type	Desktop	Desktop
Technical info
Boost clock speed	1011 MHz	1124 MHz
Core clock speed	300 MHz	1029 MHz
Manufacturing process technology	14 nm	28 nm
Thermal Design Power (TDP)	15 Watt	33 Watt
Transistor count	4,940 million
Floating-point performance		863.2 gflops
Pipelines		384
Texture fill rate		17.98 GTexel / s
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	IGP	PCIe 3.0 x8
API support
DirectX	12.0 (12_1)	12.0 (11_0)
OpenGL	4.6	4.6
Memory
Maximum RAM amount		1 GB
Memory bandwidth		16.02 GB / s
Memory bus width		64 Bit
Memory clock speed		2002 MHz
Memory type		DDR3