Radeon HD 6850 X2 vs Radeon HD 6990
When choosing between Radeon HD 6850 X2 and Radeon HD 6990, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6850 X2 and Radeon HD 6990.
Radeon HD 6850 X2
Main Specs
Radeon HD 6850 X2
Radeon HD 6990
Power consumption (TDP)
254 Watt
375 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 47% more power consumption, than Radeon HD 6850 X2.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 6850 X2 and Radeon HD 6990 have maximum RAM of 2 GB.
Both cards are used in Desktops.
Radeon HD 6850 X2 is build with TeraScale 2 architecture, and Radeon HD 6990 - with TeraScale 3.
Core clock speed of Radeon HD 6990 is 30 MHz higher, than Radeon HD 6850 X2.
Radeon HD 6850 X2 and Radeon HD 6990 are manufactured by 40 nm process technology.
Memory clock speed of Radeon HD 6990 is 800 MHz higher, than Radeon HD 6850 X2.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
12−14
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
2−3
3−4
low / 720p
27−30
30−35
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 15% more, than Radeon HD 6850 X2.
high / 1080p
21−24
24−27
ultra / 1080p
18−20
21−24
QHD / 1440p
4−5
7−8
4K / 2160p
−
5−6
low / 720p
45−50
50−55
medium / 1080p
21−24
27−30
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 17% more, than Radeon HD 6850 X2.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6850 X2 and Radeon HD 6990 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
210−220
medium / 768p
160−170
170−180
ultra / 1080p
85−90
95−100
QHD / 1440p
45−50
50−55
4K / 2160p
30−33
30−33
high / 768p
120−130
140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 10% more, than Radeon HD 6850 X2.
low / 768p
55−60
55−60
ultra / 1080p
35−40
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 4% more, than Radeon HD 6850 X2.
low / 768p
100−110
110−120
medium / 768p
85−90
90−95
ultra / 1080p
55−60
60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 8% more, than Radeon HD 6850 X2.
high / 1080p
14−16
18−20
ultra / 1080p
14−16
16−18
4K / 2160p
5−6
6−7
low / 720p
30−35
35−40
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 11% more, than Radeon HD 6850 X2.
high / 1080p
21−24
24−27
ultra / 1080p
16−18
18−20
QHD / 1440p
16−18
16−18
low / 720p
85−90
95−100
medium / 1080p
45−50
50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 10% more, than Radeon HD 6850 X2.
high / 1080p
21−24
24−27
ultra / 1080p
16−18
20−22
QHD / 1440p
7−8
9−10
low / 720p
45−50
50−55
medium / 1080p
24−27
27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 12% more, than Radeon HD 6850 X2.
low / 768p
75−80
85−90
medium / 768p
65−70
75−80
high / 1080p
24−27
30−33
ultra / 1080p
10−11
12−14
QHD / 1440p
1−2
3−4
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 16% more, than Radeon HD 6850 X2.
high / 1080p
8−9
9−10
ultra / 1080p
6−7
7−8
4K / 2160p
2−3
2−3
low / 720p
24−27
27−30
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 20% more, than Radeon HD 6850 X2.
low / 768p
100−110
110−120
ultra / 1080p
95−100
100−110
medium / 1080p
100−110
100−110
The average gaming FPS of Radeon HD 6990 in Minecraft is 5% more, than Radeon HD 6850 X2.
high / 1080p
21−24
21−24
ultra / 1080p
16−18
18−20
low / 720p
50−55
55−60
medium / 1080p
21−24
24−27
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 6850 X2.
high / 1080p
12−14
14−16
ultra / 1080p
9−10
9−10
QHD / 1440p
0−1
0−1
low / 720p
24−27
27−30
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 13% more, than Radeon HD 6850 X2.
low / 768p
45−50
55−60
medium / 768p
27−30
30−35
high / 1080p
16−18
18−20
ultra / 1080p
9−10
10−12
4K / 2160p
7−8
8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 13% more, than Radeon HD 6850 X2.
low / 768p
95−100
100−110
medium / 768p
55−60
60−65
ultra / 1080p
30−35
35−40
high / 768p
50−55
50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 6% more, than Radeon HD 6850 X2.
Full Specs
Radeon HD 6850 X2
Radeon HD 6990
Architecture
TeraScale 2
TeraScale 3
Code name
Barts
Antilles
Type
Desktop
Desktop
Release date
19 September 2011
8 March 2011
Pipelines
960
1536
Core clock speed
800 MHz
830 MHz
Transistor count
1,700 million
2,640 million
Manufacturing process technology
40 nm
40 nm
Texture fill rate
38.40
79.68
Floating-point performance
2x 1,536.0 gflops
2x 2,549.8 gflops
Length
295 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
4200 MHz
5000 MHz
Memory bandwidth
134.4 GB/s
160.0 GB/s
DirectX
11.2 (11_0)
11.2 (11_0)
Shader Model
5.0
5.0
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
N/A
Bitcoin / BTC (SHA256)
265 Mh/s
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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