Radeon 540X vs Radeon HD 8790M
In this comparison between Radeon 540X and Radeon HD 8790M 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 540X will be the best choice, for others Radeon HD 8790M will be their preference. Study the comparison tables below and make your choice.
Radeon 540X and Radeon HD 8790M are Laptop Graphics Cards
Note: Radeon 540X and Radeon HD 8790M are only used in laptop graphics. They have 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 540X or Radeon HD 8790M here:
Main Specs
Radeon 540X
Radeon HD 8790M
Power consumption (TDP)
50 Watt
Interface
PCIe 3.0 x8
MXM-A (3.0)
Supplementary power connectors
None
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon 540X is connected by PCIe 3.0 x8, and Radeon HD 8790M uses MXM-A (3.0) interface.
Radeon 540X and Radeon HD 8790M have maximum RAM of 2 GB.
Both cards are used in Laptops.
Radeon 540X is build with GCN 4.0 architecture, and Radeon HD 8790M - with GCN.
Radeon 540X is manufactured by 14 nm process technology, and Radeon HD 8790M - by 28 nm process technology.
Memory clock speed of Radeon 540X 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
6−7
3−4
ultra / 1080p
3−4
1−2
QHD / 1440p
0−1
0−1
low / 720p
14−16
14−16
medium / 1080p
7−8
6−7
The average gaming FPS of Radeon 540X in Assassin's Creed Odyssey is 33% more, than Radeon HD 8790M.
high / 1080p
10−12
8−9
ultra / 1080p
9−10
6−7
QHD / 1440p
0−1
0−1
low / 720p
21−24
21−24
medium / 1080p
10−12
9−10
The average gaming FPS of Radeon 540X in Battlefield 5 is 18% more, than Radeon HD 8790M.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon 540X in Call of Duty: Warzone is 4% more, than Radeon HD 8790M.
low / 768p
120−130
120−130
medium / 768p
100−110
100−110
ultra / 1080p
50−55
50−55
QHD / 1440p
27−30
24−27
high / 768p
75−80
75−80
Radeon 540X and Radeon HD 8790M have the same average FPS in Counter-Strike: Global Offensive.
low / 768p
55−60
70−75
ultra / 1080p
16−18
21−24
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 8790M in Cyberpunk 2077 is 12% more, than Radeon 540X.
low / 768p
75−80
75−80
medium / 768p
55−60
55−60
ultra / 1080p
30−35
30−35
Radeon 540X and Radeon HD 8790M have the same average FPS in Dota 2.
high / 1080p
7−8
4−5
ultra / 1080p
7−8
4−5
4K / 2160p
3−4
1−2
low / 720p
16−18
14−16
medium / 1080p
8−9
6−7
The average gaming FPS of Radeon 540X in Far Cry 5 is 33% more, than Radeon HD 8790M.
high / 1080p
14−16
12−14
ultra / 1080p
10−11
7−8
QHD / 1440p
−
4−5
low / 720p
55−60
60−65
medium / 1080p
20−22
18−20
The average gaming FPS of Radeon 540X in Fortnite is 4% more, than Radeon HD 8790M.
high / 1080p
10−12
8−9
ultra / 1080p
10−11
7−8
QHD / 1440p
0−1
0−1
low / 720p
24−27
21−24
medium / 1080p
12−14
10−11
The average gaming FPS of Radeon 540X in Forza Horizon 4 is 25% more, than Radeon HD 8790M.
low / 768p
50−55
50−55
medium / 768p
40−45
−
high / 1080p
10−12
10−11
ultra / 1080p
6−7
4−5
QHD / 1440p
0−1
0−1
medium / 720p
−
40−45
The average gaming FPS of Radeon 540X in Grand Theft Auto V is 4% more, than Radeon HD 8790M.
high / 1080p
4−5
2−3
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
0−1
low / 720p
10−12
9−10
medium / 1080p
6−7
4−5
The average gaming FPS of Radeon 540X in Metro Exodus is 40% more, than Radeon HD 8790M.
low / 768p
90−95
85−90
high / 1080p
85−90
70−75
ultra / 1080p
75−80
−
medium / 1080p
90−95
−
The average gaming FPS of Radeon 540X in Minecraft is 12% more, than Radeon HD 8790M.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
30−33
30−35
medium / 1080p
16−18
14−16
The average gaming FPS of Radeon 540X in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon HD 8790M.
high / 1080p
−
7−8
ultra / 1080p
7−8
4−5
QHD / 1440p
0−1
0−1
low / 720p
10−12
8−9
medium / 1080p
10−11
8−9
The average gaming FPS of Radeon 540X in Red Dead Redemption 2 is 28% more, than Radeon HD 8790M.
low / 768p
21−24
20−22
medium / 768p
14−16
12−14
high / 1080p
8−9
7−8
ultra / 1080p
6−7
5−6
4K / 2160p
−
1−2
The average gaming FPS of Radeon 540X in The Witcher 3: Wild Hunt is 18% more, than Radeon HD 8790M.
low / 768p
85−90
75−80
medium / 768p
40−45
40−45
ultra / 1080p
18−20
18−20
high / 768p
35−40
30−35
The average gaming FPS of Radeon 540X in World of Tanks is 9% more, than Radeon HD 8790M.
Full Specs
Radeon 540X
Radeon HD 8790M
Architecture
GCN 4.0
GCN
Code name
Lexa
Mars XTX
Type
Laptop
Laptop
Release date
12 August 2019
16 November 2012
Pipelines
512
384
Core clock speed
850 MHz
Boost Clock
1219 MHz
900 MHz
Transistor count
2,200 million
950 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
33.47
21.60
Floating-point performance
691.2 gflops
Memory bus width
64 Bit
128 Bit
Memory clock speed
6000 MHz
4500 MHz
Memory bandwidth
112.0 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 (12_0)
12 (11_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
80 Mh/s
Laptop size
medium sized
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