Radeon 520 vs Radeon HD 7990

If you are going to buy a new graphics card and are choosing between Radeon 520 and Radeon HD 7990, 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 Radeon 520 stacks up against Radeon HD 7990, check out specs charts below.

Radeon 520 Check Price

Radeon HD 7990 Check Price

Radeon 520 is a Laptop Graphics Card

Note: Radeon 520 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 Radeon 520 here:

Radeon 520 Laptops

Main Specs

	Radeon 520	Radeon HD 7990
Power consumption (TDP)	50 Watt	375 Watt
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Supplementary power connectors	None	2x 8-pin
Memory type	DDR3, GDDR5	GDDR5
Maximum RAM amount	2 GB	3 GB
Display Connectors	1x DVI, 1x HDMI, 1x VGA	1x DVI, 4x mini-DisplayPort
	Check Price	Check Price

Radeon HD 7990 has 650% more power consumption, than Radeon 520.
Radeon 520 is connected by PCIe 3.0 x8, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Radeon HD 7990 has 1 GB more memory, than Radeon 520.
Radeon 520 is used in Laptops, and Radeon HD 7990 - in Desktops.
Radeon 520 and Radeon HD 7990 are build with GCN 1.0 architecture.
Core clock speed of Radeon 520 is 80 MHz higher, than Radeon HD 7990.
Radeon 520 and Radeon HD 7990 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 3750 MHz higher, than Radeon 520.

Game benchmarks


high / 1080p	0−1	35−40
ultra / 1080p	−	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	1−2	60−65
medium / 1080p	0−1	40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 6100% more, than Radeon 520.
high / 1080p	−	55−60
ultra / 1080p	−	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	0−1	100−110
medium / 1080p	−	60−65
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
Radeon 520 and Radeon HD 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p	55−60	250−260
medium / 768p	30−33	220−230
ultra / 1080p	6−7	180−190
QHD / 1440p	−	110−120
4K / 2160p	−	70−75
high / 768p	18−20	210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 685% more, than Radeon 520.
low / 768p	70−75	60−65
ultra / 1080p	0−1	−
medium / 1080p	45−50	55−60
Radeon 520 and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p	45−50	120−130
medium / 768p	10−11	110−120
ultra / 1080p	0−1	100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 313% more, than Radeon 520.
high / 1080p	−	45−50
ultra / 1080p	−	40−45
QHD / 1440p	−	27−30
4K / 2160p	−	14−16
low / 720p	0−1	80−85
medium / 1080p	−	45−50
high / 1080p	−	60−65
ultra / 1080p	−	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	21−24	180−190
medium / 1080p	0−1	110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 740% more, than Radeon 520.
high / 1080p	0−1	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	0−1	100−110
medium / 1080p	0−1	65−70
low / 768p	18−20	140−150
medium / 768p	−	120−130
high / 1080p	0−1	70−75
ultra / 1080p	−	30−35
QHD / 1440p	0−1	21−24
medium / 720p	12−14	−
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 663% more, than Radeon 520.
high / 1080p	−	24−27
ultra / 1080p	−	20−22
QHD / 1440p	−	16−18
4K / 2160p	−	8−9
low / 720p	0−1	65−70
medium / 1080p	−	30−35
low / 768p	75−80	130−140
high / 1080p	27−30	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 75% more, than Radeon 520.
ultra / 1080p	−	14−16
low / 720p	10−11	100−110
medium / 1080p	10−11	18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 520% more, than Radeon 520.
high / 1080p	−	24−27
ultra / 1080p	−	16−18
QHD / 1440p	−	10−11
4K / 2160p	−	7−8
low / 720p	0−1	65−70
medium / 1080p	−	35−40
low / 768p	0−1	130−140
medium / 768p	−	85−90
high / 1080p	−	45−50
ultra / 1080p	−	24−27
4K / 2160p	−	16−18
low / 768p	45−50	90−95
medium / 768p	14−16	60−65
ultra / 1080p	0−1	50−55
high / 768p	12−14	60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 188% more, than Radeon 520.

Full Specs

	Radeon 520	Radeon HD 7990
Architecture	GCN 1.0	GCN 1.0
Code name	Oland	Malta
Type	Laptop	Desktop
Release date	21 March 2017	24 April 2013
Pipelines	320	2048
Core clock speed	1030 MHz	950 MHz
Boost Clock		1000 MHz
Transistor count	1,040 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	20.60	128.0
Floating-point performance	659.2 gflops	2x 4,096 gflops
Length		307 mm
Memory bus width	64 Bit	384 Bit
Memory clock speed	2250 MHz	6000 MHz
Memory bandwidth	16 GB/s	288.0 GB/s
Shared memory	-
DirectX	12.0	12 (11_1)
Shader Model	5.0	5.1
OpenGL	4.6	4.6
OpenCL	1.2	1.2
Vulkan	+	1.2.131
Bitcoin / BTC (SHA256)		459 Mh/s
Ethereum / ETH (DaggerHashimoto)		44 Mh/s
	Check Price	Check Price

Radeon 520 vs Radeon HD 7990

Radeon 520 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

Similar compares