Radeon HD 6790 vs Radeon HD 7850
In this comparison between Radeon HD 6790 and Radeon HD 7850 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 6790 will be the best choice, for others Radeon HD 7850 will be their preference. Study the comparison tables below and make your choice.
Main Specs
Radeon HD 6790
Radeon HD 7850
Power consumption (TDP)
150 Watt
225 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7850 has 50% more power consumption, than Radeon HD 6790.
Radeon HD 6790 is connected by PCIe 2.0 x16, and Radeon HD 7850 uses PCIe 3.0 x16 interface.
Radeon HD 7850 has 1 GB more memory, than Radeon HD 6790.
Both cards are used in Desktops.
Radeon HD 6790 is build with Terascale 2 architecture, and Radeon HD 7850 - with GCN 1.0.
Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon HD 7850 - by 28 nm process technology.
Radeon HD 7850 is 12 mm longer, than Radeon HD 6790.
Memory clock speed of Radeon HD 7850 is 150 MHz higher, than Radeon HD 6790.
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
7−8
18−20
ultra / 1080p
4−5
10−12
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
18−20
35−40
medium / 1080p
9−10
24−27
The average gaming FPS of Radeon HD 7850 in Assassin's Creed Odyssey is 130% more, than Radeon HD 6790.
high / 1080p
12−14
30−33
ultra / 1080p
10−12
24−27
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
27−30
60−65
medium / 1080p
14−16
30−35
The average gaming FPS of Radeon HD 7850 in Battlefield 5 is 137% more, than Radeon HD 6790.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7850 in Call of Duty: Warzone is 10% more, than Radeon HD 6790.
low / 768p
140−150
220−230
medium / 768p
120−130
190−200
ultra / 1080p
60−65
110−120
QHD / 1440p
30−35
80−85
4K / 2160p
27−30
40−45
high / 768p
90−95
160−170
The average gaming FPS of Radeon HD 7850 in Counter-Strike: Global Offensive is 69% more, than Radeon HD 6790.
low / 768p
55−60
60−65
ultra / 1080p
21−24
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7850 in Cyberpunk 2077 is 30% more, than Radeon HD 6790.
low / 768p
85−90
110−120
medium / 768p
65−70
100−110
ultra / 1080p
35−40
75−80
The average gaming FPS of Radeon HD 7850 in Dota 2 is 54% more, than Radeon HD 6790.
high / 1080p
9−10
21−24
ultra / 1080p
8−9
21−24
QHD / 1440p
−
18−20
4K / 2160p
4−5
7−8
low / 720p
21−24
50−55
medium / 1080p
10−11
24−27
The average gaming FPS of Radeon HD 7850 in Far Cry 5 is 136% more, than Radeon HD 6790.
high / 1080p
16−18
30−35
ultra / 1080p
10−12
21−24
QHD / 1440p
−
14−16
low / 720p
65−70
110−120
medium / 1080p
27−30
65−70
The average gaming FPS of Radeon HD 7850 in Fortnite is 90% more, than Radeon HD 6790.
high / 1080p
14−16
30−35
ultra / 1080p
12−14
24−27
QHD / 1440p
2−3
12−14
4K / 2160p
−
12−14
low / 720p
27−30
65−70
medium / 1080p
16−18
35−40
The average gaming FPS of Radeon HD 7850 in Forza Horizon 4 is 133% more, than Radeon HD 6790.
low / 768p
55−60
100−105
medium / 768p
50−55
90−95
high / 1080p
14−16
35−40
ultra / 1080p
7−8
14−16
QHD / 1440p
0−1
6−7
The average gaming FPS of Radeon HD 7850 in Grand Theft Auto V is 84% more, than Radeon HD 6790.
high / 1080p
5−6
12−14
ultra / 1080p
4−5
9−10
4K / 2160p
0−1
2−3
low / 720p
14−16
35−40
medium / 1080p
7−8
16−18
The average gaming FPS of Radeon HD 7850 in Metro Exodus is 137% more, than Radeon HD 6790.
low / 768p
95−100
110−120
high / 1080p
90−95
−
ultra / 1080p
85−90
−
medium / 1080p
95−100
110−120
The average gaming FPS of Radeon HD 7850 in Minecraft is 18% more, than Radeon HD 6790.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
35−40
65−70
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7850 in PLAYERUNKNOWN'S BATTLEGROUNDS is 43% more, than Radeon HD 6790.
high / 1080p
−
14−16
ultra / 1080p
8−9
10−11
QHD / 1440p
0−1
1−2
4K / 2160p
−
0−1
low / 720p
14−16
35−40
medium / 1080p
10−12
20−22
The average gaming FPS of Radeon HD 7850 in Red Dead Redemption 2 is 109% more, than Radeon HD 6790.
low / 768p
27−30
70−75
medium / 768p
18−20
40−45
high / 1080p
10−11
24−27
ultra / 1080p
7−8
12−14
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 7850 in The Witcher 3: Wild Hunt is 128% more, than Radeon HD 6790.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
21−24
40−45
high / 768p
40−45
55−60
The average gaming FPS of Radeon HD 7850 in World of Tanks is 26% more, than Radeon HD 6790.
Full Specs
Radeon HD 6790
Radeon HD 7850
Architecture
Terascale 2
GCN 1.0
Code name
Barts
Pitcairn
Type
Desktop
Desktop
Release date
4 April 2011
5 March 2012
Pipelines
800
1024
Core clock speed
840 MHz
Boost Clock
1000 MHz
Transistor count
1,700 million
2,800 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
33.60
55.04
Floating-point performance
1,344.0 gflops
1,761 gflops
Length
198 mm
210 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
1200 MHz
Memory bandwidth
134.4 GB/s
153.6 GB/s
DirectX
11.2 (11_0)
Shader Model
5.0
5.1
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
FreeSync
+
Bus support
PCIe 2.1 x16
HDMI
+
Bitcoin / BTC (SHA256)
122 Mh/s
249 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
Ethereum / ETH (DaggerHashimoto)
12.5 Mh/s
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