Radeon HD 6850 X2 vs Radeon HD 7790
In this comparison between Radeon HD 6850 X2 and Radeon HD 7790 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 6850 X2 will be the best choice, for others Radeon HD 7790 will be their preference. Study the comparison tables below and make your choice.
Radeon HD 6850 X2
Main Specs
Radeon HD 6850 X2
Radeon HD 7790
Power consumption (TDP)
254 Watt
85 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6850 X2 has 198% more power consumption, than Radeon HD 7790.
Radeon HD 6850 X2 is connected by PCIe 2.0 x16, and Radeon HD 7790 uses PCIe 3.0 x16 interface.
Radeon HD 6850 X2 has 1 GB more memory, than Radeon HD 7790.
Both cards are used in Desktops.
Radeon HD 6850 X2 is build with TeraScale 2 architecture, and Radeon HD 7790 - with GCN 2.0.
Core clock speed of Radeon HD 7790 is 200 MHz higher, than Radeon HD 6850 X2.
Radeon HD 6850 X2 is manufactured by 40 nm process technology, and Radeon HD 7790 - by 28 nm process technology.
Memory clock speed of Radeon HD 7790 is 1800 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
16−18
ultra / 1080p
7−8
9−10
QHD / 1440p
2−3
4−5
4K / 2160p
−
4−5
low / 720p
27−30
30−35
medium / 1080p
16−18
20−22
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 23% more, than Radeon HD 6850 X2.
high / 1080p
21−24
24−27
ultra / 1080p
18−20
21−24
QHD / 1440p
4−5
8−9
4K / 2160p
−
6−7
low / 720p
45−50
50−55
medium / 1080p
21−24
27−30
The average gaming FPS of Radeon HD 7790 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 7790 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
210−220
medium / 768p
160−170
180−190
ultra / 1080p
85−90
100−110
QHD / 1440p
45−50
55−60
4K / 2160p
30−33
30−35
high / 768p
120−130
140−150
The average gaming FPS of Radeon HD 7790 in Counter-Strike: Global Offensive is 13% 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 7790 in Cyberpunk 2077 is 4% more, than Radeon HD 6850 X2.
low / 768p
100−110
110−120
medium / 768p
85−90
95−100
ultra / 1080p
55−60
65−70
The average gaming FPS of Radeon HD 7790 in Dota 2 is 12% more, than Radeon HD 6850 X2.
high / 1080p
14−16
18−20
ultra / 1080p
14−16
16−18
QHD / 1440p
−
16−18
4K / 2160p
5−6
6−7
low / 720p
30−35
40−45
medium / 1080p
16−18
20−22
The average gaming FPS of Radeon HD 7790 in Far Cry 5 is 23% more, than Radeon HD 6850 X2.
high / 1080p
21−24
24−27
ultra / 1080p
16−18
20−22
QHD / 1440p
16−18
16−18
low / 720p
85−90
100−110
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7790 in Fortnite is 18% more, than Radeon HD 6850 X2.
high / 1080p
21−24
27−30
ultra / 1080p
16−18
21−24
QHD / 1440p
7−8
10−11
4K / 2160p
−
10−11
low / 720p
45−50
55−60
medium / 1080p
24−27
30−33
The average gaming FPS of Radeon HD 7790 in Forza Horizon 4 is 25% more, than Radeon HD 6850 X2.
low / 768p
75−80
85−90
medium / 768p
65−70
75−80
high / 1080p
24−27
30−35
ultra / 1080p
10−11
12−14
QHD / 1440p
1−2
3−4
The average gaming FPS of Radeon HD 7790 in Grand Theft Auto V is 16% more, than Radeon HD 6850 X2.
high / 1080p
8−9
10−11
ultra / 1080p
6−7
8−9
4K / 2160p
2−3
3−4
low / 720p
24−27
30−35
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 7790 in Metro Exodus is 30% more, than Radeon HD 6850 X2.
low / 768p
100−110
110−120
ultra / 1080p
95−100
−
medium / 1080p
100−110
100−110
The average gaming FPS of Radeon HD 7790 in Minecraft is 4% 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 7790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 6850 X2.
high / 1080p
12−14
14−16
ultra / 1080p
9−10
10−11
QHD / 1440p
0−1
0−1
low / 720p
24−27
30−33
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon HD 7790 in Red Dead Redemption 2 is 20% more, than Radeon HD 6850 X2.
low / 768p
45−50
55−60
medium / 768p
27−30
35−40
high / 1080p
16−18
20−22
ultra / 1080p
9−10
10−12
4K / 2160p
7−8
8−9
The average gaming FPS of Radeon HD 7790 in The Witcher 3: Wild Hunt is 22% 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
55−60
The average gaming FPS of Radeon HD 7790 in World of Tanks is 8% more, than Radeon HD 6850 X2.
Full Specs
Radeon HD 6850 X2
Radeon HD 7790
Architecture
TeraScale 2
GCN 2.0
Code name
Barts
Bonaire
Type
Desktop
Desktop
Release date
19 September 2011
22 March 2013
Pipelines
960
896
Core clock speed
800 MHz
1000 MHz
Transistor count
1,700 million
2,080 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
38.40
56.00
Floating-point performance
2x 1,536.0 gflops
1,792 gflops
Length
183 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
4200 MHz
6000 MHz
Memory bandwidth
134.4 GB/s
96 GB/s
DirectX
11.2 (11_0)
12 (12_0)
Shader Model
5.0
6.3
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
218 Mh/s
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
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