Radeon HD 6790 vs Radeon HD 8770M
In this comparison between Radeon HD 6790 and Radeon HD 8770M 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 8770M will be their preference. Study the comparison tables below and make your choice.
Radeon HD 8770M is a Laptop Graphics Card
Note: Radeon HD 8770M 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 8770M here:
Main Specs
Radeon HD 6790
Radeon HD 8770M
Power consumption (TDP)
150 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon HD 6790 is connected by PCIe 2.0 x16, and Radeon HD 8770M uses PCIe 3.0 x8 interface.
Radeon HD 8770M has 1 GB more memory, than Radeon HD 6790.
Radeon HD 6790 is used in Desktops, and Radeon HD 8770M - in Laptops.
Radeon HD 6790 is build with Terascale 2 architecture, and Radeon HD 8770M - with GCN.
Core clock speed of Radeon HD 6790 is 65 MHz higher, than Radeon HD 8770M.
Radeon HD 6790 is manufactured by 40 nm process technology, and Radeon HD 8770M - by 28 nm process technology.
Memory clock speed of Radeon HD 8770M is 3450 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
7−8
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
18−20
16−18
medium / 1080p
9−10
8−9
The average gaming FPS of Radeon HD 6790 in Assassin's Creed Odyssey is 11% more, than Radeon HD 8770M.
high / 1080p
12−14
12−14
ultra / 1080p
10−12
10−11
QHD / 1440p
0−1
0−1
low / 720p
27−30
24−27
medium / 1080p
14−16
12−14
The average gaming FPS of Radeon HD 6790 in Battlefield 5 is 6% more, than Radeon HD 8770M.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6790 and Radeon HD 8770M have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
140−150
medium / 768p
120−130
110−120
ultra / 1080p
60−65
55−60
QHD / 1440p
30−35
30−33
4K / 2160p
27−30
27−30
high / 768p
90−95
80−85
The average gaming FPS of Radeon HD 6790 in Counter-Strike: Global Offensive is 6% more, than Radeon HD 8770M.
low / 768p
55−60
55−60
ultra / 1080p
21−24
20−22
medium / 1080p
45−50
45−50
Radeon HD 6790 and Radeon HD 8770M have the same average FPS in Cyberpunk 2077.
low / 768p
85−90
80−85
medium / 768p
65−70
60−65
ultra / 1080p
35−40
35−40
The average gaming FPS of Radeon HD 6790 in Dota 2 is 6% more, than Radeon HD 8770M.
high / 1080p
9−10
8−9
ultra / 1080p
8−9
8−9
4K / 2160p
4−5
3−4
low / 720p
21−24
18−20
medium / 1080p
10−11
9−10
The average gaming FPS of Radeon HD 6790 in Far Cry 5 is 22% more, than Radeon HD 8770M.
high / 1080p
16−18
14−16
ultra / 1080p
10−12
10−11
low / 720p
65−70
60−65
medium / 1080p
27−30
24−27
The average gaming FPS of Radeon HD 6790 in Fortnite is 10% more, than Radeon HD 8770M.
high / 1080p
14−16
12−14
ultra / 1080p
12−14
10−12
QHD / 1440p
2−3
1−2
low / 720p
27−30
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Radeon HD 6790 in Forza Horizon 4 is 15% more, than Radeon HD 8770M.
low / 768p
55−60
50−55
medium / 768p
50−55
45−50
high / 1080p
14−16
12−14
ultra / 1080p
7−8
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6790 in Grand Theft Auto V is 13% more, than Radeon HD 8770M.
high / 1080p
5−6
5−6
ultra / 1080p
4−5
3−4
4K / 2160p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
7−8
6−7
The average gaming FPS of Radeon HD 6790 in Metro Exodus is 14% more, than Radeon HD 8770M.
low / 768p
95−100
95−100
high / 1080p
90−95
90−95
ultra / 1080p
85−90
80−85
medium / 1080p
95−100
90−95
The average gaming FPS of Radeon HD 6790 in Minecraft is 2% more, than Radeon HD 8770M.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
35−40
30−35
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 6790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 8770M.
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
10−12
10−12
The average gaming FPS of Radeon HD 6790 in Red Dead Redemption 2 is 10% more, than Radeon HD 8770M.
low / 768p
27−30
24−27
medium / 768p
18−20
16−18
high / 1080p
10−11
9−10
ultra / 1080p
7−8
6−7
4K / 2160p
6−7
6−7
The average gaming FPS of Radeon HD 6790 in The Witcher 3: Wild Hunt is 7% more, than Radeon HD 8770M.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
21−24
20−22
high / 768p
40−45
35−40
The average gaming FPS of Radeon HD 6790 in World of Tanks is 4% more, than Radeon HD 8770M.
Full Specs
Radeon HD 6790
Radeon HD 8770M
Architecture
Terascale 2
GCN
Code name
Barts
Mars
Type
Desktop
Laptop
Release date
4 April 2011
16 November 2012
Pipelines
800
384
Core clock speed
840 MHz
775 MHz
Boost Clock
825 MHz
Transistor count
1,700 million
950 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
33.60
19.80
Floating-point performance
1,344.0 gflops
633.6 gflops
Length
198 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
4500 MHz
Memory bandwidth
134.4 GB/s
72 GB/s
Shared memory
-
DirectX
11.2 (11_0)
12 (11_1)
Shader Model
5.0
5.1
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
122 Mh/s
Laptop size
medium sized
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