Radeon HD 6770 vs Radeon HD 7990

In this comparison between Radeon HD 6770 and Radeon HD 7990 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 6770 will be the best choice, for others Radeon HD 7990 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 6770 Check Price

Radeon HD 7990 Check Price

Main Specs

	Radeon HD 6770	Radeon HD 7990
Power consumption (TDP)	108 Watt	375 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	1x 6-pin	2x 8-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB	3 GB
Display Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort	1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 247% more power consumption, than Radeon HD 6770.
Radeon HD 6770 is connected by PCIe 2.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Radeon HD 7990 has 2 GB more memory, than Radeon HD 6770.
Both cards are used in Desktops.
Radeon HD 6770 is build with TeraScale 2 architecture, and Radeon HD 7990 - with GCN 1.0.
Radeon HD 6770 is manufactured by 40 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Radeon HD 7990 is 109 mm longer, than Radeon HD 6770.
Memory clock speed of Radeon HD 7990 is 4950 MHz higher, than Radeon HD 6770.

Game benchmarks


high / 1080p	3−4	35−40
ultra / 1080p	1−2	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 7990 in Assassin's Creed Odyssey is 583% more, than Radeon HD 6770.
high / 1080p	7−8	55−60
ultra / 1080p	6−7	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	20−22	100−110
medium / 1080p	8−9	60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 580% more, than Radeon HD 6770.
low / 768p	45−50	50−55
high / 1080p	40−45	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon HD 6770.
low / 768p	120−130	250−260
medium / 768p	95−100	220−230
ultra / 1080p	45−50	180−190
QHD / 1440p	24−27	110−120
4K / 2160p	−	70−75
high / 768p	70−75	210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 172% more, than Radeon HD 6770.
low / 768p	70−75	60−65
ultra / 1080p	20−22	−
medium / 1080p	40−45	55−60
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 5% more, than Radeon HD 6770.
low / 768p	75−80	120−130
medium / 768p	55−60	110−120
ultra / 1080p	27−30	100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 112% more, than Radeon HD 6770.
high / 1080p	4−5	45−50
ultra / 1080p	3−4	40−45
QHD / 1440p	−	27−30
4K / 2160p	1−2	14−16
low / 720p	14−16	80−85
medium / 1080p	5−6	45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 683% more, than Radeon HD 6770.
high / 1080p	12−14	60−65
ultra / 1080p	7−8	45−50
QHD / 1440p	4−5	27−30
4K / 2160p	−	27−30
low / 720p	55−60	180−190
medium / 1080p	16−18	110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 357% more, than Radeon HD 6770.
high / 1080p	7−8	60−65
ultra / 1080p	6−7	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	21−24	100−110
medium / 1080p	9−10	65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 536% more, than Radeon HD 6770.
low / 768p	45−50	140−150
medium / 768p	−	120−130
high / 1080p	9−10	70−75
ultra / 1080p	4−5	30−35
QHD / 1440p	0−1	21−24
medium / 720p	40−45	−
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 315% more, than Radeon HD 6770.
high / 1080p	2−3	24−27
ultra / 1080p	0−1	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 7990 in Metro Exodus is 720% more, than Radeon HD 6770.
low / 768p	85−90	130−140
high / 1080p	65−70	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 55% more, than Radeon HD 6770.
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 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than Radeon HD 6770.
high / 1080p	6−7	24−27
ultra / 1080p	4−5	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	7−8	65−70
medium / 1080p	−	35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 500% more, than Radeon HD 6770.
low / 768p	18−20	130−140
medium / 768p	12−14	85−90
high / 1080p	6−7	45−50
ultra / 1080p	4−5	24−27
4K / 2160p	1−2	16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 675% more, than Radeon HD 6770.
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 7990 in World of Tanks is 71% more, than Radeon HD 6770.

Full Specs

	Radeon HD 6770	Radeon HD 7990
Architecture	TeraScale 2	GCN 1.0
Code name	Juniper	Malta
Type	Desktop	Desktop
Release date	21 January 2011	24 April 2013
Pipelines	800	2048
Core clock speed		950 MHz
Boost Clock	900 MHz	1000 MHz
Transistor count	1,040 million	4,313 million
Manufacturing process technology	40 nm	28 nm
Texture fill rate	34.00	128.0
Floating-point performance	1,360.0 gflops	2x 4,096 gflops
Length	198 mm	307 mm
Memory bus width	128 Bit	384 Bit
Memory clock speed	1050 MHz	6000 MHz
Memory bandwidth	76.8 GB/s	288.0 GB/s
DirectX		12 (11_1)
Shader Model	5.0	5.1
OpenGL	4.4	4.6
OpenCL	1.2	1.2
Vulkan		1.2.131
Bus support	PCIe 2.0 x16
HDMI	+
Bitcoin / BTC (SHA256)	118 Mh/s	459 Mh/s
Eyefinity	+
Design	reference
CrossFire	+
Ethereum / ETH (DaggerHashimoto)		44 Mh/s
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Radeon HD 6770 vs Radeon HD 7990

Main Specs

Game benchmarks

Full Specs

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