AMD Radeon R8 M445DX vs NVIDIA GeForce 840A

Comparative analysis of AMD Radeon R8 M445DX 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: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), PassMark - G2D Mark, PassMark - G3D Mark, Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon R8 M445DX

NVIDIA GeForce 840A

Differences

Reasons to consider the AMD Radeon R8 M445DX

Videocard is newer: launch date 2 year(s) 1 month(s) later
Around 83% higher pipelines: 704 vs 384
3.9x better performance in Geekbench - OpenCL: 21666 vs 5596
Around 14% better performance in GFXBench 4.0 - Manhattan (Frames): 2636 vs 2314
Around 14% better performance in GFXBench 4.0 - Manhattan (Fps): 2636 vs 2314
Around 8% better performance in GFXBench 4.0 - T-Rex (Frames): 3358 vs 3117
Around 8% better performance in GFXBench 4.0 - T-Rex (Fps): 3358 vs 3117

Specifications (specs)
Launch date	15 May 2016 vs 17 March 2014
Pipelines	704 vs 384
Benchmarks
Geekbench - OpenCL	21666 vs 5596
GFXBench 4.0 - Manhattan (Frames)	2636 vs 2314
GFXBench 4.0 - Manhattan (Fps)	2636 vs 2314
GFXBench 4.0 - T-Rex (Frames)	3358 vs 3117
GFXBench 4.0 - T-Rex (Fps)	3358 vs 3117

Reasons to consider the NVIDIA GeForce 840A

Around 32% higher core clock speed: 1029 MHz vs 780 MHz
Around 10% higher boost clock speed: 1124 MHz vs 1021 MHz
Around 53% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2188 vs 1427
Around 53% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2188 vs 1427
Around 22% better performance in PassMark - G2D Mark: 221 vs 181
Around 41% better performance in PassMark - G3D Mark: 1123 vs 797

Specifications (specs)
Core clock speed	1029 MHz vs 780 MHz
Boost clock speed	1124 MHz vs 1021 MHz
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames)	2188 vs 1427
GFXBench 4.0 - Car Chase Offscreen (Fps)	2188 vs 1427
PassMark - G2D Mark	221 vs 181
PassMark - G3D Mark	1123 vs 797

Compare benchmarks

GPU 1: AMD Radeon R8 M445DX
GPU 2: NVIDIA GeForce 840A

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

1427

2188

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

1427

2188

PassMark - G2D Mark

GPU 1

GPU 2

181

221

PassMark - G3D Mark

GPU 1

GPU 2

797

1123

Geekbench - OpenCL

GPU 1

GPU 2

21666

5596

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

2636

2314

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

2636

2314

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3358

3117

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3358

3117

Name	AMD Radeon R8 M445DX	NVIDIA GeForce 840A
GFXBench 4.0 - Car Chase Offscreen (Frames)	1427	2188
GFXBench 4.0 - Car Chase Offscreen (Fps)	1427	2188
PassMark - G2D Mark	181	221
PassMark - G3D Mark	797	1123
Geekbench - OpenCL	21666	5596
GFXBench 4.0 - Manhattan (Frames)	2636	2314
GFXBench 4.0 - Manhattan (Fps)	2636	2314
GFXBench 4.0 - T-Rex (Frames)	3358	3117
GFXBench 4.0 - T-Rex (Fps)	3358	3117

Compare specifications (specs)

	AMD Radeon R8 M445DX	NVIDIA GeForce 840A
Essentials
Architecture	GCN 3.0	Maxwell
Code name	Meso	GM108
Launch date	15 May 2016	17 March 2014
Place in performance rating	1000	1003
Type	Laptop	Desktop
Technical info
Boost clock speed	1021 MHz	1124 MHz
Core clock speed	780 MHz	1029 MHz
Manufacturing process technology	28 nm	28 nm
Pipelines	704	384
Transistor count	3,100 million
Floating-point performance		863.2 gflops
Texture fill rate		17.98 GTexel / s
Thermal Design Power (TDP)		33 Watt
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	IGP	PCIe 3.0 x8
Laptop size	medium sized
API support
DirectX	12.0 (12_0)	12.0 (11_0)
OpenGL	4.5	4.6
Vulkan
Memory
Memory bus width	128 + 64 Bit	64 Bit
Memory type	DDR4 / DDR3	DDR3
Shared memory	0
Maximum RAM amount		1 GB
Memory bandwidth		16.02 GB / s
Memory clock speed		2002 MHz