GeForce 840M vs Radeon R7 512 Cores Kaveri

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and Radeon R7 512 Cores Kaveri. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840M and Radeon R7 512 Cores Kaveri. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce 840M Check Price

Radeon R7 512 Cores Kaveri

GeForce 840M is a Laptop Graphics Card

Note: GeForce 840M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce 840M here:

GeForce 840M Laptops

Main Specs

	GeForce 840M	Radeon R7 512 Cores Kaveri
Power consumption (TDP)	33 Watt
Interface	PCIe 3.0 x8
Memory type	DDR3
Maximum RAM amount	4 GB
Display Connectors	No outputs
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GeForce 840M is used in Laptops, and Radeon R7 512 Cores Kaveri - in Desktops.
GeForce 840M is build with Maxwell architecture, and Radeon R7 512 Cores Kaveri - with GCN.
Core clock speed of GeForce 840M is 309 MHz higher, than Radeon R7 512 Cores Kaveri.
GeForce 840M and Radeon R7 512 Cores Kaveri are manufactured by 28 nm process technology.

Game benchmarks


high / 1080p	1−2	7−8
ultra / 1080p	0−1	4−5
QHD / 1440p	0−1	0−1
low / 720p	12−14	18−20
medium / 1080p	3−4	9−10
The average gaming FPS of Radeon R7 512 Cores Kaveri in Assassin's Creed Odyssey is 100% more, than GeForce 840M.
high / 1080p	−	12−14
ultra / 1080p	4−5	10−12
QHD / 1440p	0−1	0−1
low / 720p	16−18	27−30
medium / 1080p	5−6	14−16
The average gaming FPS of Radeon R7 512 Cores Kaveri in Battlefield 5 is 100% more, than GeForce 840M.
low / 768p	45−50	45−50
high / 1080p	40−45	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R7 512 Cores Kaveri in Call of Duty: Warzone is 4% more, than GeForce 840M.
low / 768p	120−130	140−150
medium / 768p	90−95	110−120
ultra / 1080p	40−45	55−60
QHD / 1440p	24−27	30−35
4K / 2160p	18−20	27−30
high / 768p	65−70	85−90
The average gaming FPS of Radeon R7 512 Cores Kaveri in Counter-Strike: Global Offensive is 24% more, than GeForce 840M.
low / 768p	85−90	55−60
ultra / 1080p	16−18	21−24
medium / 1080p	40−45	45−50
The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 16% more, than Radeon R7 512 Cores Kaveri.
low / 768p	75−80	85−90
medium / 768p	50−55	60−65
ultra / 1080p	24−27	35−40
The average gaming FPS of Radeon R7 512 Cores Kaveri in Dota 2 is 21% more, than GeForce 840M.
high / 1080p	2−3	9−10
ultra / 1080p	2−3	8−9
4K / 2160p	0−1	4−5
low / 720p	12−14	21−24
medium / 1080p	3−4	10−11
The average gaming FPS of Radeon R7 512 Cores Kaveri in Far Cry 5 is 140% more, than GeForce 840M.
high / 1080p	10−11	16−18
ultra / 1080p	5−6	10−12
QHD / 1440p	2−3	−
low / 720p	50−55	65−70
medium / 1080p	10−12	24−27
The average gaming FPS of Radeon R7 512 Cores Kaveri in Fortnite is 57% more, than GeForce 840M.
high / 1080p	4−5	14−16
ultra / 1080p	−	12−14
QHD / 1440p	0−1	2−3
low / 720p	16−18	27−30
medium / 1080p	7−8	14−16
The average gaming FPS of Radeon R7 512 Cores Kaveri in Forza Horizon 4 is 111% more, than GeForce 840M.
low / 768p	45−50	55−60
medium / 768p	−	50−55
high / 1080p	5−6	14−16
ultra / 1080p	2−3	7−8
QHD / 1440p	0−1	0−1
medium / 720p	35−40	−
The average gaming FPS of Radeon R7 512 Cores Kaveri in Grand Theft Auto V is 44% more, than GeForce 840M.
high / 1080p	1−2	5−6
ultra / 1080p	0−1	3−4
4K / 2160p	0−1	0−1
low / 720p	5−6	14−16
medium / 1080p	3−4	7−8
The average gaming FPS of Radeon R7 512 Cores Kaveri in Metro Exodus is 200% more, than GeForce 840M.
low / 768p	90−95	95−100
high / 1080p	85−90	90−95
ultra / 1080p	70−75	80−85
medium / 1080p	90−95	95−100
The average gaming FPS of Radeon R7 512 Cores Kaveri in Minecraft is 6% more, than GeForce 840M.
high / 1080p	−	16−18
ultra / 1080p	12−14	14−16
low / 720p	27−30	35−40
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon R7 512 Cores Kaveri in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than GeForce 840M.
ultra / 1080p	4−5	8−9
QHD / 1440p	0−1	0−1
low / 720p	6−7	14−16
medium / 1080p	−	10−12
The average gaming FPS of Radeon R7 512 Cores Kaveri in Red Dead Redemption 2 is 120% more, than GeForce 840M.
low / 768p	12−14	27−30
medium / 768p	9−10	18−20
high / 1080p	4−5	10−11
ultra / 1080p	3−4	7−8
4K / 2160p	0−1	6−7
The average gaming FPS of Radeon R7 512 Cores Kaveri in The Witcher 3: Wild Hunt is 128% more, than GeForce 840M.
low / 768p	75−80	85−90
medium / 768p	35−40	45−50
ultra / 1080p	16−18	21−24
high / 768p	30−35	35−40
The average gaming FPS of Radeon R7 512 Cores Kaveri in World of Tanks is 17% more, than GeForce 840M.

Full Specs

	GeForce 840M	Radeon R7 512 Cores Kaveri
Architecture	Maxwell	GCN
Code name	N15S-GT	Kaveri Spectre
Type	Laptop	Desktop
Release date	12 March 2014	14 January 2014
Pipelines	384	512
Core clock speed	1029 MHz	720 MHz
Boost Clock	1124 MHz
Manufacturing process technology	28 nm	28 nm
Texture fill rate	17.98
Floating-point performance	863.2 gflops
Memory bus width	64 Bit
Memory clock speed	2000 MHz
Memory bandwidth	16.02 GB/s
Shared memory	-	+
DirectX	12 (11_0)	DirectX 12 (FL 12_0), Shader 5.2
Shader Model	5.1
OpenGL	4.5
OpenCL	1.2
Vulkan	1.1.126
CUDA	+
Bus support	PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256)	92 Mh/s
Laptop size	medium sized
Optimus	+
GPU Boost	2.0
GameWorks	+
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GeForce 840M vs Radeon R7 512 Cores Kaveri

GeForce 840M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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