GeForce 840A vs Radeon HD 6990

If you are going to buy a new graphics card and are choosing between GeForce 840A and Radeon HD 6990, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 840A stacks up against Radeon HD 6990, check out specs charts below.

GeForce 840A

Radeon HD 6990 Check Price

Main Specs

	GeForce 840A	Radeon HD 6990
Power consumption (TDP)	33 Watt	375 Watt
Interface	PCIe 3.0 x8	PCIe 2.0 x16
Supplementary power connectors		2x 8-pin
Memory type	DDR3	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs	1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 1036% more power consumption, than GeForce 840A.
GeForce 840A is connected by PCIe 3.0 x8, and Radeon HD 6990 uses PCIe 2.0 x16 interface.
GeForce 840A and Radeon HD 6990 have maximum RAM of 2 GB.
Both cards are used in Desktops.
GeForce 840A is build with Maxwell architecture, and Radeon HD 6990 - with TeraScale 3.
Core clock speed of GeForce 840A is 199 MHz higher, than Radeon HD 6990.
GeForce 840A is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
Memory clock speed of Radeon HD 6990 is 2998 MHz higher, than GeForce 840A.

Game benchmarks


high / 1080p	3−4	14−16
ultra / 1080p	2−3	9−10
QHD / 1440p	0−1	3−4
low / 720p	14−16	30−35
medium / 1080p	5−6	18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 216% more, than GeForce 840A.
high / 1080p	−	24−27
ultra / 1080p	7−8	21−24
QHD / 1440p	0−1	7−8
4K / 2160p	−	5−6
low / 720p	18−20	50−55
medium / 1080p	8−9	27−30
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 209% more, than GeForce 840A.
low / 768p	45−50	45−50
high / 1080p	30−35	−
QHD / 1440p	0−1	0−1
GeForce 840A and Radeon HD 6990 have the same average FPS in Call of Duty: Warzone.
low / 768p	120−130	210−220
medium / 768p	90−95	170−180
ultra / 1080p	40−45	95−100
QHD / 1440p	24−27	50−55
4K / 2160p	18−20	30−33
high / 768p	65−70	140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 91% more, than GeForce 840A.
low / 768p	80−85	55−60
ultra / 1080p	14−16	40−45
medium / 1080p	40−45	45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 6% more, than GeForce 840A.
low / 768p	75−80	110−120
medium / 768p	50−55	90−95
ultra / 1080p	27−30	60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 73% more, than GeForce 840A.
high / 1080p	5−6	18−20
ultra / 1080p	−	16−18
4K / 2160p	2−3	6−7
low / 720p	14−16	35−40
medium / 1080p	6−7	18−20
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 185% more, than GeForce 840A.
high / 1080p	12−14	24−27
ultra / 1080p	7−8	18−20
QHD / 1440p	−	16−18
low / 720p	50−55	95−100
medium / 1080p	14−16	50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 118% more, than GeForce 840A.
high / 1080p	7−8	24−27
ultra / 1080p	−	20−22
QHD / 1440p	0−1	9−10
low / 720p	20−22	50−55
medium / 1080p	9−10	27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 191% more, than GeForce 840A.
low / 768p	45−50	85−90
medium / 768p	−	75−80
high / 1080p	8−9	30−33
ultra / 1080p	5−6	12−14
QHD / 1440p	0−1	3−4
medium / 720p	40−45	−
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 120% more, than GeForce 840A.
high / 1080p	3−4	9−10
ultra / 1080p	1−2	7−8
4K / 2160p	0−1	2−3
low / 720p	8−9	27−30
medium / 1080p	4−5	12−14
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 250% more, than GeForce 840A.
low / 768p	85−90	110−120
high / 1080p	85−90	−
ultra / 1080p	80−85	100−110
medium / 1080p	85−90	100−110
The average gaming FPS of Radeon HD 6990 in Minecraft is 27% more, than GeForce 840A.
high / 1080p	−	21−24
ultra / 1080p	12−14	18−20
low / 720p	27−30	55−60
medium / 1080p	14−16	24−27
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% more, than GeForce 840A.
high / 1080p	−	14−16
ultra / 1080p	7−8	9−10
QHD / 1440p	0−1	0−1
low / 720p	8−9	27−30
medium / 1080p	−	16−18
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 137% more, than GeForce 840A.
low / 768p	16−18	55−60
medium / 768p	12−14	30−35
high / 1080p	6−7	18−20
ultra / 1080p	5−6	10−12
4K / 2160p	−	8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 200% more, than GeForce 840A.
low / 768p	70−75	100−110
medium / 768p	35−40	60−65
ultra / 1080p	16−18	35−40
high / 768p	30−35	50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 64% more, than GeForce 840A.

Full Specs

	GeForce 840A	Radeon HD 6990
Architecture	Maxwell	TeraScale 3
Code name	GM108	Antilles
Type	Desktop	Desktop
Release date	17 March 2014	8 March 2011
Pipelines	384	1536
Core clock speed	1029 MHz	830 MHz
Boost Clock	1124 MHz
Transistor count		2,640 million
Manufacturing process technology	28 nm	40 nm
Texture fill rate	17.98	79.68
Floating-point performance	863.2 gflops	2x 2,549.8 gflops
Length		295 mm
Memory bus width	64 Bit	256 Bit
Memory clock speed	2002 MHz	5000 MHz
Memory bandwidth	16.02 GB/s	160.0 GB/s
DirectX	12 (11_0)	11.2 (11_0)
Shader Model	5.1	5.0
OpenGL	4.6	4.4
OpenCL	1.2	1.2
Vulkan	1.1.126	N/A
CUDA	5.0
Bitcoin / BTC (SHA256)		265 Mh/s
Ethereum / ETH (DaggerHashimoto)		24 Mh/s
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GeForce 840A vs Radeon HD 6990

Main Specs

Game benchmarks

Full Specs

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