NVIDIA GeForce 840M vs AMD Radeon R5 235 OEM

Comparative analysis of NVIDIA GeForce 840M and AMD Radeon R5 235 OEM 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, 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.

NVIDIA GeForce 840M

AMD Radeon R5 235 OEM

Differences

Reasons to consider the NVIDIA GeForce 840M

Videocard is newer: launch date 2 month(s) later
Around 33% higher core clock speed: 1029 MHz vs 775 MHz
2.9x more texture fill rate: 17.98 GTexel / s vs 6.2 GTexel / s
2.4x more pipelines: 384 vs 160
3.5x better floating-point performance: 863.2 gflops vs 248.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
Around 6% lower typical power consumption: 33 Watt vs 35 Watt
Around 11% higher memory clock speed: 2002 MHz vs 1800 MHz
3.3x better performance in PassMark - G3D Mark: 1092 vs 336
7.3x better performance in Geekbench - OpenCL: 5743 vs 782

Specifications (specs)
Launch date	12 March 2014 vs 21 December 2013
Core clock speed	1029 MHz vs 775 MHz
Texture fill rate	17.98 GTexel / s vs 6.2 GTexel / s
Pipelines	384 vs 160
Floating-point performance	863.2 gflops vs 248.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Thermal Design Power (TDP)	33 Watt vs 35 Watt
Memory clock speed	2002 MHz vs 1800 MHz
Benchmarks
PassMark - G3D Mark	1092 vs 336
Geekbench - OpenCL	5743 vs 782

Reasons to consider the AMD Radeon R5 235 OEM

Around 9% better performance in PassMark - G2D Mark: 164 vs 150

Benchmarks
PassMark - G2D Mark	164 vs 150

Compare benchmarks

GPU 1: NVIDIA GeForce 840M
GPU 2: AMD Radeon R5 235 OEM

PassMark - G3D Mark

GPU 1

GPU 2

1092

336

PassMark - G2D Mark

GPU 1

GPU 2

150

164

Geekbench - OpenCL

GPU 1

GPU 2

5743

782

Name	NVIDIA GeForce 840M	AMD Radeon R5 235 OEM
PassMark - G3D Mark	1092	336
PassMark - G2D Mark	150	164
Geekbench - OpenCL	5743	782
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	22.848
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	162.594
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.237
CompuBench 1.5 Desktop - Video Composition (Frames/s)	21.15
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	95.545
GFXBench 4.0 - Car Chase Offscreen (Frames)	2085
GFXBench 4.0 - Manhattan (Frames)	2736
GFXBench 4.0 - T-Rex (Frames)	3191
GFXBench 4.0 - Car Chase Offscreen (Fps)	2085
GFXBench 4.0 - Manhattan (Fps)	2736
GFXBench 4.0 - T-Rex (Fps)	3191
3DMark Fire Strike - Graphics Score	503

Compare specifications (specs)

	NVIDIA GeForce 840M	AMD Radeon R5 235 OEM
Essentials
Architecture	Maxwell	TeraScale 2
Code name	GM108	Caicos
Launch date	12 March 2014	21 December 2013
Place in performance rating	1273	1274
Type	Laptop	Desktop
Design		AMD Radeon R5 200 Series
Technical info
Boost clock speed	1124 MHz
Core clock speed	1029 MHz	775 MHz
Floating-point performance	863.2 gflops	248.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	384	160
Texture fill rate	17.98 GTexel / s	6.2 GTexel / s
Thermal Design Power (TDP)	33 Watt	35 Watt
Transistor count		370 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI
DisplayPort support
Dual-link DVI support
HDMI
VGA
Compatibility, dimensions and requirements
Bus support	PCI Express 2.0, PCI Express 3.0
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Laptop size	medium sized
Length		168 mm
Supplementary power connectors		None
API support
DirectX	12.0 (11_0)	11
OpenGL	4.5	4.4
Memory
Maximum RAM amount	4 GB	4 GB
Memory bandwidth	16.02 GB / s	14.4 GB / s
Memory bus width	64 Bit	64 Bit
Memory clock speed	2002 MHz	1800 MHz
Memory type	DDR3	DDR3
Shared memory	0
Technologies
CUDA
GameWorks
GeForce Experience
GPU Boost
Optimus
AMD Eyefinity