Radeon HD 4850 X2 vs Radeon HD 6990M Crossfire

In this comparison between Radeon HD 4850 X2 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 4850 X2 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 4850 X2

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 4850 X2	Radeon HD 6990M Crossfire
Power consumption (TDP)	250 Watt
Interface	PCIe 2.0 x16
Supplementary power connectors	1x 6-pin + 1x 8-pin
Memory type	GDDR3	GDDR5
Maximum RAM amount	512 MB	2x2 GB
Display Connectors	4x DVI, 1x S-Video
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Radeon HD 4850 X2 has 510 GB more memory, than Radeon HD 6990M Crossfire.
Radeon HD 4850 X2 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
Radeon HD 4850 X2 is build with TeraScale architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 6990M Crossfire is 90 MHz higher, than Radeon HD 4850 X2.
Radeon HD 4850 X2 is manufactured by 55 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of Radeon HD 4850 X2 is 1090 MHz higher, than Radeon HD 6990M Crossfire.

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 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Battlefield 5 is 545% more, than Radeon HD 4850 X2.
low / 768p	45−50	50−55
high / 1080p	30−35	−
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 4850 X2.
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 6990M Crossfire in Counter-Strike: Global Offensive is 185% more, than Radeon HD 4850 X2.
low / 768p	80−85	60−65
ultra / 1080p	14−16	−
medium / 1080p	40−45	55−60
The average gaming FPS of Radeon HD 4850 X2 in Cyberpunk 2077 is 3% more, than Radeon HD 6990M Crossfire.
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 6990M Crossfire in Dota 2 is 121% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Far Cry 5 is 585% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Fortnite is 363% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Forza Horizon 4 is 550% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Grand Theft Auto V is 315% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Metro Exodus is 800% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Minecraft is 49% more, than Radeon HD 4850 X2.
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 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than Radeon HD 4850 X2.
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 6990M Crossfire in Red Dead Redemption 2 is 425% more, than Radeon HD 4850 X2.
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 6990M Crossfire in The Witcher 3: Wild Hunt is 630% more, than Radeon HD 4850 X2.
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 6990M Crossfire in World of Tanks is 71% more, than Radeon HD 4850 X2.

Full Specs

	Radeon HD 4850 X2	Radeon HD 6990M Crossfire
Architecture	TeraScale	Terascale 2
Code name	R700	Blackcomb XTX
Type	Desktop	Laptop
Release date	7 November 2008	12 July 2011
Pipelines	800	2240
Core clock speed	625 MHz	715 MHz
Transistor count	956 million	2x1700 Million
Manufacturing process technology	55 nm	40 nm
Texture fill rate	25.00
Floating-point performance	2x 1,000.0 gflops
Length	267 mm
Memory bus width	256 Bit	256 Bit
Memory clock speed	1990 MHz	900 MHz
Memory bandwidth	63.68 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 4850 X2 vs Radeon HD 6990M Crossfire

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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