GeForce 840A vs Radeon HD 7970

If you are going to buy a new graphics card and are choosing between GeForce 840A and Radeon HD 7970, 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 7970, check out specs charts below.

GeForce 840A

Radeon HD 7970 Check Price

Main Specs

	GeForce 840A	Radeon HD 7970
Power consumption (TDP)	33 Watt	300 Watt
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Supplementary power connectors		1x 6-pin + 1x 8-pin
Memory type	DDR3	GDDR5
Maximum RAM amount	2 GB	3 GB
Display Connectors	No outputs	1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7970 has 809% more power consumption, than GeForce 840A.
GeForce 840A is connected by PCIe 3.0 x8, and Radeon HD 7970 uses PCIe 3.0 x16 interface.
Radeon HD 7970 has 1 GB more memory, than GeForce 840A.
Both cards are used in Desktops.
GeForce 840A is build with Maxwell architecture, and Radeon HD 7970 - with GCN.
GeForce 840A and Radeon HD 7970 are manufactured by 28 nm process technology.
Memory clock speed of GeForce 840A is 627 MHz higher, than Radeon HD 7970.

Game benchmarks


high / 1080p	3−4	35−40
ultra / 1080p	2−3	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	14−16	60−65
medium / 1080p	5−6	40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 583% more, than GeForce 840A.
high / 1080p	−	55−60
ultra / 1080p	7−8	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	18−20	100−110
medium / 1080p	8−9	60−65
The average gaming FPS of Radeon HD 7970 in Battlefield 5 is 545% more, than GeForce 840A.
low / 768p	45−50	50−55
high / 1080p	30−35	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7970 in Call of Duty: Warzone is 10% more, than GeForce 840A.
low / 768p	120−130	250−260
medium / 768p	90−95	220−230
ultra / 1080p	40−45	180−190
QHD / 1440p	24−27	110−120
4K / 2160p	18−20	70−75
high / 768p	65−70	210−220
The average gaming FPS of Radeon HD 7970 in Counter-Strike: Global Offensive is 185% more, than GeForce 840A.
low / 768p	80−85	60−65
ultra / 1080p	14−16	−
medium / 1080p	40−45	55−60
The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 3% more, than Radeon HD 7970.
low / 768p	75−80	120−130
medium / 768p	50−55	110−120
ultra / 1080p	27−30	100−110
The average gaming FPS of Radeon HD 7970 in Dota 2 is 121% more, than GeForce 840A.
high / 1080p	5−6	45−50
ultra / 1080p	−	40−45
QHD / 1440p	−	27−30
4K / 2160p	2−3	14−16
low / 720p	14−16	80−85
medium / 1080p	6−7	45−50
The average gaming FPS of Radeon HD 7970 in Far Cry 5 is 585% more, than GeForce 840A.
high / 1080p	12−14	60−65
ultra / 1080p	7−8	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	50−55	180−190
medium / 1080p	14−16	110−120
The average gaming FPS of Radeon HD 7970 in Fortnite is 363% more, than GeForce 840A.
high / 1080p	7−8	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	20−22	100−110
medium / 1080p	9−10	65−70
The average gaming FPS of Radeon HD 7970 in Forza Horizon 4 is 550% more, than GeForce 840A.
low / 768p	45−50	140−150
medium / 768p	−	120−130
high / 1080p	8−9	70−75
ultra / 1080p	5−6	30−35
QHD / 1440p	0−1	21−24
medium / 720p	40−45	−
The average gaming FPS of Radeon HD 7970 in Grand Theft Auto V is 315% more, than GeForce 840A.
high / 1080p	3−4	24−27
ultra / 1080p	1−2	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	8−9	65−70
medium / 1080p	4−5	30−35
The average gaming FPS of Radeon HD 7970 in Metro Exodus is 800% more, than GeForce 840A.
low / 768p	85−90	130−140
high / 1080p	85−90	−
ultra / 1080p	80−85	−
medium / 1080p	85−90	120−130
The average gaming FPS of Radeon HD 7970 in Minecraft is 49% more, than GeForce 840A.
ultra / 1080p	12−14	14−16
low / 720p	27−30	100−110
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 7970 in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than GeForce 840A.
high / 1080p	−	24−27
ultra / 1080p	7−8	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	8−9	65−70
medium / 1080p	−	35−40
The average gaming FPS of Radeon HD 7970 in Red Dead Redemption 2 is 425% more, than GeForce 840A.
low / 768p	16−18	130−140
medium / 768p	12−14	85−90
high / 1080p	6−7	45−50
ultra / 1080p	5−6	24−27
4K / 2160p	−	16−18
The average gaming FPS of Radeon HD 7970 in The Witcher 3: Wild Hunt is 630% more, than GeForce 840A.
low / 768p	70−75	90−95
medium / 768p	35−40	60−65
ultra / 1080p	16−18	50−55
high / 768p	30−35	60−65
The average gaming FPS of Radeon HD 7970 in World of Tanks is 71% more, than GeForce 840A.

Full Specs

	GeForce 840A	Radeon HD 7970
Architecture	Maxwell	GCN
Code name	GM108	Tahiti XT
Type	Desktop	Desktop
Release date	17 March 2014	22 December 2011
Pipelines	384	2048
Core clock speed	1029 MHz
Boost Clock	1124 MHz	925 MHz
Transistor count		4,313 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	17.98	118.4
Floating-point performance	863.2 gflops	3,789 gflops
Length		274 mm
Memory bus width	64 Bit	384 Bit
Memory clock speed	2002 MHz	1375 MHz
Memory bandwidth	16.02 GB/s	264 GB/s
Shared memory		-
DirectX	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	1.1.126
CUDA	5.0
FreeSync		+
Bus support		PCIe 2.1 x16
HDMI		+
Bitcoin / BTC (SHA256)		485 Mh/s
Eyefinity		+
Design		reference
CrossFire		+
Ethereum / ETH (DaggerHashimoto)		20.71 Mh/s
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GeForce 840A vs Radeon HD 7970

Main Specs

Game benchmarks

Full Specs

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