Radeon HD 7790 vs Radeon HD 8770M
If you are going to buy a new graphics card and are choosing between Radeon HD 7790 and Radeon HD 8770M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 7790 stacks up against Radeon HD 8770M, check out specs charts below.
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 7790
Radeon HD 8770M
Power consumption (TDP)
85 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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Radeon HD 7790 is connected by PCIe 3.0 x16, and Radeon HD 8770M uses PCIe 3.0 x8 interface.
Radeon HD 8770M has 1 GB more memory, than Radeon HD 7790.
Radeon HD 7790 is used in Desktops, and Radeon HD 8770M - in Laptops.
Radeon HD 7790 is build with GCN 2.0 architecture, and Radeon HD 8770M - with GCN.
Core clock speed of Radeon HD 7790 is 225 MHz higher, than Radeon HD 8770M.
Radeon HD 7790 and Radeon HD 8770M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7790 is 1500 MHz higher, than Radeon HD 8770M.
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
16−18
7−8
ultra / 1080p
9−10
4−5
QHD / 1440p
4−5
0−1
4K / 2160p
4−5
−
low / 720p
30−35
16−18
medium / 1080p
20−22
8−9
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 122% more, than Radeon HD 8770M.
high / 1080p
24−27
12−14
ultra / 1080p
21−24
10−11
QHD / 1440p
8−9
0−1
4K / 2160p
6−7
−
low / 720p
50−55
24−27
medium / 1080p
27−30
12−14
The average gaming FPS of Radeon HD 7790 in Battlefield 5 is 113% more, than Radeon HD 8770M.
low / 768p
45−50
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
Radeon HD 7790 and Radeon HD 8770M have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
140−150
medium / 768p
180−190
110−120
ultra / 1080p
100−110
55−60
QHD / 1440p
55−60
30−33
4K / 2160p
30−35
27−30
high / 768p
140−150
80−85
The average gaming FPS of Radeon HD 7790 in Counter-Strike: Global Offensive is 61% more, than Radeon HD 8770M.
low / 768p
55−60
55−60
ultra / 1080p
40−45
20−22
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7790 in Cyberpunk 2077 is 16% more, than Radeon HD 8770M.
low / 768p
110−120
80−85
medium / 768p
95−100
60−65
ultra / 1080p
65−70
35−40
The average gaming FPS of Radeon HD 7790 in Dota 2 is 55% more, than Radeon HD 8770M.
high / 1080p
18−20
8−9
ultra / 1080p
16−18
8−9
QHD / 1440p
16−18
−
4K / 2160p
6−7
3−4
low / 720p
40−45
18−20
medium / 1080p
20−22
9−10
The average gaming FPS of Radeon HD 7790 in Far Cry 5 is 133% more, than Radeon HD 8770M.
high / 1080p
24−27
14−16
ultra / 1080p
20−22
10−11
QHD / 1440p
16−18
−
low / 720p
100−110
60−65
medium / 1080p
55−60
24−27
The average gaming FPS of Radeon HD 7790 in Fortnite is 85% more, than Radeon HD 8770M.
high / 1080p
27−30
12−14
ultra / 1080p
21−24
10−12
QHD / 1440p
10−11
1−2
4K / 2160p
10−11
−
low / 720p
55−60
27−30
medium / 1080p
30−33
14−16
The average gaming FPS of Radeon HD 7790 in Forza Horizon 4 is 130% more, than Radeon HD 8770M.
low / 768p
85−90
50−55
medium / 768p
75−80
45−50
high / 1080p
30−35
12−14
ultra / 1080p
12−14
6−7
QHD / 1440p
3−4
0−1
The average gaming FPS of Radeon HD 7790 in Grand Theft Auto V is 79% more, than Radeon HD 8770M.
high / 1080p
10−11
5−6
ultra / 1080p
8−9
3−4
4K / 2160p
3−4
0−1
low / 720p
30−35
12−14
medium / 1080p
12−14
6−7
The average gaming FPS of Radeon HD 7790 in Metro Exodus is 128% more, than Radeon HD 8770M.
low / 768p
110−120
95−100
high / 1080p
−
90−95
ultra / 1080p
−
80−85
medium / 1080p
100−110
90−95
The average gaming FPS of Radeon HD 7790 in Minecraft is 15% more, than Radeon HD 8770M.
high / 1080p
21−24
16−18
ultra / 1080p
18−20
14−16
low / 720p
55−60
30−35
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon HD 7790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Radeon HD 8770M.
high / 1080p
14−16
−
ultra / 1080p
10−11
7−8
QHD / 1440p
0−1
0−1
low / 720p
30−33
12−14
medium / 1080p
16−18
10−12
The average gaming FPS of Radeon HD 7790 in Red Dead Redemption 2 is 90% more, than Radeon HD 8770M.
low / 768p
55−60
24−27
medium / 768p
35−40
16−18
high / 1080p
20−22
9−10
ultra / 1080p
10−12
6−7
4K / 2160p
8−9
6−7
The average gaming FPS of Radeon HD 7790 in The Witcher 3: Wild Hunt is 107% more, than Radeon HD 8770M.
low / 768p
100−110
85−90
medium / 768p
60−65
45−50
ultra / 1080p
35−40
20−22
high / 768p
55−60
35−40
The average gaming FPS of Radeon HD 7790 in World of Tanks is 35% more, than Radeon HD 8770M.
Full Specs
Radeon HD 7790
Radeon HD 8770M
Architecture
GCN 2.0
GCN
Code name
Bonaire
Mars
Type
Desktop
Laptop
Release date
22 March 2013
16 November 2012
Pipelines
896
384
Core clock speed
1000 MHz
775 MHz
Boost Clock
825 MHz
Transistor count
2,080 million
950 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
56.00
19.80
Floating-point performance
1,792 gflops
633.6 gflops
Length
183 mm
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
4500 MHz
Memory bandwidth
96 GB/s
72 GB/s
Shared memory
-
DirectX
12 (12_0)
12 (11_1)
Shader Model
6.3
5.1
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
218 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
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