Radeon HD 7790 vs Radeon HD 8790M
When choosing between Radeon HD 7790 and Radeon HD 8790M, 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 7790 and Radeon HD 8790M.
Radeon HD 8790M is a Laptop Graphics Card
Note: Radeon HD 8790M 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 8790M here:
Main Specs
Radeon HD 7790
Radeon HD 8790M
Power consumption (TDP)
85 Watt
Interface
PCIe 3.0 x16
MXM-A (3.0)
Supplementary power connectors
1x 6-pin
None
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 8790M uses MXM-A (3.0) interface.
Radeon HD 8790M has 1 GB more memory, than Radeon HD 7790.
Radeon HD 7790 is used in Desktops, and Radeon HD 8790M - in Laptops.
Radeon HD 7790 is build with GCN 2.0 architecture, and Radeon HD 8790M - with GCN.
Core clock speed of Radeon HD 7790 is 150 MHz higher, than Radeon HD 8790M.
Radeon HD 7790 and Radeon HD 8790M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7790 is 1500 MHz higher, than Radeon HD 8790M.
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
3−4
ultra / 1080p
9−10
1−2
QHD / 1440p
4−5
0−1
4K / 2160p
4−5
−
low / 720p
30−35
14−16
medium / 1080p
20−22
6−7
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 233% more, than Radeon HD 8790M.
high / 1080p
24−27
8−9
ultra / 1080p
21−24
6−7
QHD / 1440p
8−9
0−1
4K / 2160p
6−7
−
low / 720p
50−55
21−24
medium / 1080p
27−30
9−10
The average gaming FPS of Radeon HD 7790 in Battlefield 5 is 190% more, than Radeon HD 8790M.
low / 768p
45−50
45−50
high / 1080p
−
40−45
QHD / 1440p
0−1
0−1
Radeon HD 7790 and Radeon HD 8790M have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
120−130
medium / 768p
180−190
100−110
ultra / 1080p
100−110
50−55
QHD / 1440p
55−60
24−27
4K / 2160p
30−35
−
high / 768p
140−150
75−80
The average gaming FPS of Radeon HD 7790 in Counter-Strike: Global Offensive is 83% more, than Radeon HD 8790M.
low / 768p
55−60
70−75
ultra / 1080p
40−45
21−24
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 7790 in Cyberpunk 2077 is 8% more, than Radeon HD 8790M.
low / 768p
110−120
75−80
medium / 768p
95−100
55−60
ultra / 1080p
65−70
30−35
The average gaming FPS of Radeon HD 7790 in Dota 2 is 69% more, than Radeon HD 8790M.
high / 1080p
18−20
4−5
ultra / 1080p
16−18
4−5
QHD / 1440p
16−18
−
4K / 2160p
6−7
1−2
low / 720p
40−45
14−16
medium / 1080p
20−22
6−7
The average gaming FPS of Radeon HD 7790 in Far Cry 5 is 250% more, than Radeon HD 8790M.
high / 1080p
24−27
12−14
ultra / 1080p
20−22
7−8
QHD / 1440p
16−18
4−5
low / 720p
100−110
60−65
medium / 1080p
55−60
18−20
The average gaming FPS of Radeon HD 7790 in Fortnite is 114% more, than Radeon HD 8790M.
high / 1080p
27−30
8−9
ultra / 1080p
21−24
7−8
QHD / 1440p
10−11
0−1
4K / 2160p
10−11
−
low / 720p
55−60
21−24
medium / 1080p
30−33
10−11
The average gaming FPS of Radeon HD 7790 in Forza Horizon 4 is 191% more, than Radeon HD 8790M.
low / 768p
85−90
50−55
medium / 768p
75−80
−
high / 1080p
30−35
10−11
ultra / 1080p
12−14
4−5
QHD / 1440p
3−4
0−1
medium / 720p
−
40−45
The average gaming FPS of Radeon HD 7790 in Grand Theft Auto V is 100% more, than Radeon HD 8790M.
high / 1080p
10−11
2−3
ultra / 1080p
8−9
0−1
4K / 2160p
3−4
0−1
low / 720p
30−35
9−10
medium / 1080p
12−14
4−5
The average gaming FPS of Radeon HD 7790 in Metro Exodus is 260% more, than Radeon HD 8790M.
low / 768p
110−120
85−90
high / 1080p
−
70−75
medium / 1080p
100−110
−
The average gaming FPS of Radeon HD 7790 in Minecraft is 32% more, than Radeon HD 8790M.
high / 1080p
21−24
−
ultra / 1080p
18−20
12−14
low / 720p
55−60
30−35
medium / 1080p
24−27
14−16
The average gaming FPS of Radeon HD 7790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 70% more, than Radeon HD 8790M.
high / 1080p
14−16
7−8
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
30−33
8−9
medium / 1080p
16−18
8−9
The average gaming FPS of Radeon HD 7790 in Red Dead Redemption 2 is 157% more, than Radeon HD 8790M.
low / 768p
55−60
20−22
medium / 768p
35−40
12−14
high / 1080p
20−22
7−8
ultra / 1080p
10−12
5−6
4K / 2160p
8−9
1−2
The average gaming FPS of Radeon HD 7790 in The Witcher 3: Wild Hunt is 200% more, than Radeon HD 8790M.
low / 768p
100−110
75−80
medium / 768p
60−65
40−45
ultra / 1080p
35−40
18−20
high / 768p
55−60
30−35
The average gaming FPS of Radeon HD 7790 in World of Tanks is 54% more, than Radeon HD 8790M.
Full Specs
Radeon HD 7790
Radeon HD 8790M
Architecture
GCN 2.0
GCN
Code name
Bonaire
Mars XTX
Type
Desktop
Laptop
Release date
22 March 2013
16 November 2012
Pipelines
896
384
Core clock speed
1000 MHz
850 MHz
Boost Clock
900 MHz
Transistor count
2,080 million
950 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
56.00
21.60
Floating-point performance
1,792 gflops
691.2 gflops
Length
183 mm
Memory bus width
128 Bit
128 Bit
Memory clock speed
6000 MHz
4500 MHz
Memory bandwidth
96 GB/s
64 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
80 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
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