Radeon 540X vs Radeon HD 7790
If you are going to buy a new graphics card and are choosing between Radeon 540X and Radeon HD 7790, 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 540X stacks up against Radeon HD 7790, check out specs charts below.
Radeon 540X is a Laptop Graphics Card
Note: Radeon 540X 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 540X here:
Main Specs
Radeon 540X
Radeon HD 7790
Power consumption (TDP)
50 Watt
85 Watt
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7790 has 70% more power consumption, than Radeon 540X.
Radeon 540X is connected by PCIe 3.0 x8, and Radeon HD 7790 uses PCIe 3.0 x16 interface.
Radeon 540X has 1 GB more memory, than Radeon HD 7790.
Radeon 540X is used in Laptops, and Radeon HD 7790 - in Desktops.
Radeon 540X is build with GCN 4.0 architecture, and Radeon HD 7790 - with GCN 2.0.
Radeon 540X is manufactured by 14 nm process technology, and Radeon HD 7790 - by 28 nm process technology.
Memory clock speed of Radeon 540X and Radeon HD 7790 is 6000 MHz.
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
16−18
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
14−16
30−35
medium / 1080p
7−8
20−22
The average gaming FPS of Radeon HD 7790 in Assassin's Creed Odyssey is 150% more, than Radeon 540X.
high / 1080p
10−12
24−27
ultra / 1080p
9−10
21−24
QHD / 1440p
0−1
8−9
4K / 2160p
−
6−7
low / 720p
21−24
50−55
medium / 1080p
10−12
27−30
The average gaming FPS of Radeon HD 7790 in Battlefield 5 is 146% more, than Radeon 540X.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon 540X and Radeon HD 7790 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
210−220
medium / 768p
100−110
180−190
ultra / 1080p
50−55
100−110
QHD / 1440p
27−30
55−60
4K / 2160p
−
30−35
high / 768p
75−80
140−150
The average gaming FPS of Radeon HD 7790 in Counter-Strike: Global Offensive is 83% more, than Radeon 540X.
low / 768p
55−60
55−60
ultra / 1080p
16−18
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7790 in Cyberpunk 2077 is 22% more, than Radeon 540X.
low / 768p
75−80
110−120
medium / 768p
55−60
95−100
ultra / 1080p
30−35
65−70
The average gaming FPS of Radeon HD 7790 in Dota 2 is 69% more, than Radeon 540X.
high / 1080p
7−8
18−20
ultra / 1080p
7−8
16−18
QHD / 1440p
−
16−18
4K / 2160p
3−4
6−7
low / 720p
16−18
40−45
medium / 1080p
8−9
20−22
The average gaming FPS of Radeon HD 7790 in Far Cry 5 is 162% more, than Radeon 540X.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
20−22
QHD / 1440p
−
16−18
low / 720p
55−60
100−110
medium / 1080p
20−22
55−60
The average gaming FPS of Radeon HD 7790 in Fortnite is 100% more, than Radeon 540X.
high / 1080p
10−12
27−30
ultra / 1080p
10−11
21−24
QHD / 1440p
0−1
10−11
4K / 2160p
−
10−11
low / 720p
24−27
55−60
medium / 1080p
12−14
30−33
The average gaming FPS of Radeon HD 7790 in Forza Horizon 4 is 133% more, than Radeon 540X.
low / 768p
50−55
85−90
medium / 768p
40−45
75−80
high / 1080p
10−12
30−35
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Radeon HD 7790 in Grand Theft Auto V is 85% more, than Radeon 540X.
high / 1080p
4−5
10−11
ultra / 1080p
3−4
8−9
4K / 2160p
0−1
3−4
low / 720p
10−12
30−35
medium / 1080p
6−7
12−14
The average gaming FPS of Radeon HD 7790 in Metro Exodus is 166% more, than Radeon 540X.
low / 768p
90−95
110−120
high / 1080p
85−90
−
ultra / 1080p
75−80
−
medium / 1080p
90−95
100−110
The average gaming FPS of Radeon HD 7790 in Minecraft is 19% more, than Radeon 540X.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
18−20
low / 720p
30−33
55−60
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 7790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Radeon 540X.
high / 1080p
−
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
0−1
0−1
low / 720p
10−12
30−33
medium / 1080p
10−11
16−18
The average gaming FPS of Radeon HD 7790 in Red Dead Redemption 2 is 111% more, than Radeon 540X.
low / 768p
21−24
55−60
medium / 768p
14−16
35−40
high / 1080p
8−9
20−22
ultra / 1080p
6−7
10−12
4K / 2160p
−
8−9
The average gaming FPS of Radeon HD 7790 in The Witcher 3: Wild Hunt is 138% more, than Radeon 540X.
low / 768p
85−90
100−110
medium / 768p
40−45
60−65
ultra / 1080p
18−20
35−40
high / 768p
35−40
55−60
The average gaming FPS of Radeon HD 7790 in World of Tanks is 41% more, than Radeon 540X.
Full Specs
Radeon 540X
Radeon HD 7790
Architecture
GCN 4.0
GCN 2.0
Code name
Lexa
Bonaire
Type
Laptop
Desktop
Release date
12 August 2019
22 March 2013
Pipelines
512
896
Core clock speed
1000 MHz
Boost Clock
1219 MHz
Transistor count
2,200 million
2,080 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
33.47
56.00
Floating-point performance
1,792 gflops
Length
183 mm
Memory bus width
64 Bit
128 Bit
Memory clock speed
6000 MHz
6000 MHz
Memory bandwidth
112.0 GB/s
96 GB/s
Shared memory
-
DirectX
12 (12_0)
12 (12_0)
Shader Model
6.4
6.3
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
218 Mh/s
Ethereum / ETH (DaggerHashimoto)
5.2 Mh/s
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