Radeon HD 4890 vs Radeon HD 6990M Crossfire

When comparing Radeon HD 4890 and Radeon HD 6990M Crossfire, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 4890 and Radeon HD 6990M Crossfire is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon HD 4890 Check Price

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 4890	Radeon HD 6990M Crossfire
Power consumption (TDP)	190 Watt
Interface	PCIe 2.0 x16
Supplementary power connectors	2x 6-pin
Memory type	GDDR5	GDDR5
Maximum RAM amount	1 GB	2x2 GB
Display Connectors	2x DVI, 1x S-Video
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Radeon HD 6990M Crossfire has 1 GB more memory, than Radeon HD 4890.
Radeon HD 4890 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
Radeon HD 4890 is build with TeraScale architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 4890 is 135 MHz higher, than Radeon HD 6990M Crossfire.
Radeon HD 4890 is manufactured by 55 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of Radeon HD 4890 is 3000 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks


high / 1080p	7−8	35−40
ultra / 1080p	4−5	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	16−18	60−65
medium / 1080p	8−9	40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 355% more, than Radeon HD 4890.
high / 1080p	12−14	55−60
ultra / 1080p	10−11	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	24−27	100−110
medium / 1080p	12−14	60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 353% more, than Radeon HD 4890.
low / 768p	45−50	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Radeon HD 4890.
low / 768p	140−150	250−260
medium / 768p	110−120	220−230
ultra / 1080p	55−60	180−190
QHD / 1440p	30−33	110−120
4K / 2160p	27−30	70−75
high / 768p	80−85	210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 132% more, than Radeon HD 4890.
low / 768p	55−60	60−65
ultra / 1080p	20−22	−
medium / 1080p	45−50	55−60
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 15% more, than Radeon HD 4890.
low / 768p	80−85	120−130
medium / 768p	60−65	110−120
ultra / 1080p	35−40	100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 91% more, than Radeon HD 4890.
high / 1080p	8−9	45−50
ultra / 1080p	8−9	40−45
QHD / 1440p	−	27−30
4K / 2160p	3−4	14−16
low / 720p	18−20	80−85
medium / 1080p	9−10	45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 422% more, than Radeon HD 4890.
high / 1080p	14−16	60−65
ultra / 1080p	10−11	45−50
QHD / 1440p	−	27−30
4K / 2160p	−	27−30
low / 720p	60−65	180−190
medium / 1080p	24−27	110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 264% more, than Radeon HD 4890.
high / 1080p	12−14	60−65
ultra / 1080p	10−12	45−50
QHD / 1440p	1−2	30−35
4K / 2160p	−	24−27
low / 720p	27−30	100−110
medium / 1080p	14−16	65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 384% more, than Radeon HD 4890.
low / 768p	50−55	140−150
medium / 768p	45−50	120−130
high / 1080p	12−14	70−75
ultra / 1080p	6−7	30−35
QHD / 1440p	0−1	21−24
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 220% more, than Radeon HD 4890.
high / 1080p	5−6	24−27
ultra / 1080p	3−4	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	12−14	65−70
medium / 1080p	6−7	30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 414% more, than Radeon HD 4890.
low / 768p	95−100	130−140
high / 1080p	90−95	−
ultra / 1080p	80−85	−
medium / 1080p	90−95	120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 36% more, than Radeon HD 4890.
high / 1080p	16−18	−
ultra / 1080p	14−16	14−16
low / 720p	30−35	100−110
medium / 1080p	18−20	18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than Radeon HD 4890.
high / 1080p	−	24−27
ultra / 1080p	7−8	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	12−14	65−70
medium / 1080p	10−12	35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 300% more, than Radeon HD 4890.
low / 768p	24−27	130−140
medium / 768p	16−18	85−90
high / 1080p	9−10	45−50
ultra / 1080p	6−7	24−27
4K / 2160p	6−7	16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 376% more, than Radeon HD 4890.
low / 768p	85−90	90−95
medium / 768p	45−50	60−65
ultra / 1080p	20−22	50−55
high / 768p	35−40	60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 39% more, than Radeon HD 4890.

Full Specs

	Radeon HD 4890	Radeon HD 6990M Crossfire
Architecture	TeraScale	Terascale 2
Code name	RV790	Blackcomb XTX
Type	Desktop	Laptop
Release date	2 April 2009	12 July 2011
Pipelines	800	2240
Core clock speed	850 MHz	715 MHz
Transistor count	959 million	2x1700 Million
Manufacturing process technology	55 nm	40 nm
Texture fill rate	34.00
Floating-point performance	1,360.0 gflops
Length	241 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	3900 MHz	900 MHz
Memory bandwidth	124.8 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 4890 vs Radeon HD 6990M Crossfire

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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