Radeon HD 4770 vs Radeon HD 6990M Crossfire

In this comparison between Radeon HD 4770 and Radeon HD 6990M Crossfire 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 4770 will be the best choice, for others Radeon HD 6990M Crossfire will be their preference. Study the comparison tables below and make your choice.

Radeon HD 4770

Radeon HD 6990M Crossfire Check Price

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Note: Radeon HD 6990M Crossfire 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 HD 6990M Crossfire here:

Radeon HD 6990M Crossfire Laptops

Main Specs

	Radeon HD 4770	Radeon HD 6990M Crossfire
Power consumption (TDP)	80 Watt
Interface	PCIe 2.0 x16
Supplementary power connectors	1x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	512 MB	2x2 GB
Display Connectors	2x DVI, 1x S-Video
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Radeon HD 4770 has 510 GB more memory, than Radeon HD 6990M Crossfire.
Radeon HD 4770 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
Radeon HD 4770 is build with TeraScale architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 4770 is 35 MHz higher, than Radeon HD 6990M Crossfire.
Radeon HD 4770 and Radeon HD 6990M Crossfire are manufactured by 40 nm process technology.
Memory clock speed of Radeon HD 4770 is 2300 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks


high / 1080p	1−2	35−40
ultra / 1080p	0−1	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	10−12	60−65
medium / 1080p	2−3	40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 840% more, than Radeon HD 4770.
high / 1080p	−	55−60
ultra / 1080p	3−4	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	12−14	100−110
medium / 1080p	4−5	60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 914% more, than Radeon HD 4770.
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
Radeon HD 4770 and Radeon HD 6990M Crossfire have the same average FPS in Call of Duty: Warzone.
low / 768p	110−120	250−260
medium / 768p	85−90	220−230
ultra / 1080p	35−40	180−190
QHD / 1440p	−	110−120
4K / 2160p	10−11	70−75
high / 768p	60−65	210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 206% more, than Radeon HD 4770.
low / 768p	70−75	60−65
ultra / 1080p	14−16	−
medium / 1080p	45−50	55−60
Radeon HD 4770 and Radeon HD 6990M Crossfire have the same average FPS in Cyberpunk 2077.
low / 768p	70−75	120−130
medium / 768p	45−50	110−120
ultra / 1080p	18−20	100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 150% more, than Radeon HD 4770.
high / 1080p	2−3	45−50
ultra / 1080p	2−3	40−45
QHD / 1440p	−	27−30
4K / 2160p	0−1	14−16
low / 720p	10−11	80−85
medium / 1080p	3−4	45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 1275% more, than Radeon HD 4770.
high / 1080p	−	60−65
ultra / 1080p	5−6	45−50
QHD / 1440p	1−2	27−30
4K / 2160p	−	27−30
low / 720p	45−50	180−190
medium / 1080p	8−9	110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 526% more, than Radeon HD 4770.
high / 1080p	3−4	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	14−16	100−110
medium / 1080p	5−6	65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 875% more, than Radeon HD 4770.
low / 768p	40−45	140−150
medium / 768p	−	120−130
high / 1080p	3−4	70−75
ultra / 1080p	2−3	30−35
QHD / 1440p	0−1	21−24
medium / 720p	35−40	−
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 418% more, than Radeon HD 4770.
high / 1080p	1−2	24−27
ultra / 1080p	0−1	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	3−4	65−70
medium / 1080p	2−3	30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 1950% more, than Radeon HD 4770.
low / 768p	85−90	130−140
high / 1080p	55−60	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 55% more, than Radeon HD 4770.
high / 1080p	14−16	−
ultra / 1080p	12−14	14−16
low / 720p	24−27	100−110
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 170% more, than Radeon HD 4770.
high / 1080p	−	24−27
ultra / 1080p	3−4	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	4−5	65−70
medium / 1080p	−	35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 950% more, than Radeon HD 4770.
low / 768p	8−9	130−140
medium / 768p	7−8	85−90
high / 1080p	3−4	45−50
ultra / 1080p	3−4	24−27
4K / 2160p	0−1	16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 1360% more, than Radeon HD 4770.
low / 768p	70−75	90−95
medium / 768p	35−40	60−65
ultra / 1080p	12−14	50−55
high / 768p	30−33	60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 76% more, than Radeon HD 4770.

Full Specs

	Radeon HD 4770	Radeon HD 6990M Crossfire
Architecture	TeraScale	Terascale 2
Code name	RV740	Blackcomb XTX
Type	Desktop	Laptop
Release date	28 April 2009	12 July 2011
Pipelines	640	2240
Core clock speed	750 MHz	715 MHz
Transistor count	826 million	2x1700 Million
Manufacturing process technology	40 nm	40 nm
Texture fill rate	24.00
Floating-point performance	960.0 gflops
Length	203 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	3200 MHz	900 MHz
Memory bandwidth	51.2 GB/s
Shared memory		-
DirectX	10.1 (10_1)	DirectX 11, Shader 5.0
Shader Model	4.1
OpenGL	3.3
OpenCL	1.1
Vulkan	N/A
Laptop size		large
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Radeon HD 4770 vs Radeon HD 6990M Crossfire

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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