Radeon 540 vs Radeon HD 6790
If you are going to buy a new graphics card and are choosing between Radeon 540 and Radeon HD 6790, 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 540 stacks up against Radeon HD 6790, check out specs charts below.
Radeon 540
Main Specs
Radeon 540
Radeon HD 6790
Power consumption (TDP)
50 Watt
150 Watt
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6790 has 200% more power consumption, than Radeon 540.
Radeon 540 is connected by PCIe 3.0 x8, and Radeon HD 6790 uses PCIe 2.0 x16 interface.
Radeon 540 has 1 GB more memory, than Radeon HD 6790.
Both cards are used in Desktops.
Radeon 540 is build with GCN 4.0 architecture, and Radeon HD 6790 - with Terascale 2.
Core clock speed of Radeon 540 is 260 MHz higher, than Radeon HD 6790.
Radeon 540 is manufactured by 14 nm process technology, and Radeon HD 6790 - by 40 nm process technology.
Radeon HD 6790 is 53 mm longer, than Radeon 540.
Memory clock speed of Radeon 540 is 5950 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
6−7
7−8
ultra / 1080p
3−4
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
18−20
medium / 1080p
7−8
9−10
The average gaming FPS of Radeon HD 6790 in Assassin's Creed Odyssey is 25% more, than Radeon 540.
high / 1080p
10−12
12−14
ultra / 1080p
9−10
10−12
QHD / 1440p
0−1
0−1
low / 720p
21−24
27−30
medium / 1080p
10−12
14−16
The average gaming FPS of Radeon HD 6790 in Battlefield 5 is 23% more, than Radeon 540.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon 540 and Radeon HD 6790 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
140−150
medium / 768p
100−110
120−130
ultra / 1080p
50−55
60−65
QHD / 1440p
27−30
30−35
4K / 2160p
−
27−30
high / 768p
75−80
90−95
The average gaming FPS of Radeon HD 6790 in Counter-Strike: Global Offensive is 18% more, than Radeon 540.
low / 768p
55−60
55−60
ultra / 1080p
16−18
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6790 in Cyberpunk 2077 is 5% more, than Radeon 540.
low / 768p
75−80
85−90
medium / 768p
55−60
65−70
ultra / 1080p
30−35
35−40
The average gaming FPS of Radeon HD 6790 in Dota 2 is 16% more, than Radeon 540.
high / 1080p
7−8
9−10
ultra / 1080p
7−8
8−9
4K / 2160p
3−4
4−5
low / 720p
16−18
21−24
medium / 1080p
8−9
10−11
The average gaming FPS of Radeon HD 6790 in Far Cry 5 is 37% more, than Radeon 540.
high / 1080p
14−16
16−18
ultra / 1080p
10−11
10−12
low / 720p
55−60
65−70
medium / 1080p
20−22
27−30
The average gaming FPS of Radeon HD 6790 in Fortnite is 19% more, than Radeon 540.
high / 1080p
10−12
14−16
ultra / 1080p
10−11
12−14
QHD / 1440p
0−1
2−3
low / 720p
24−27
27−30
medium / 1080p
12−14
16−18
The average gaming FPS of Radeon HD 6790 in Forza Horizon 4 is 20% more, than Radeon 540.
low / 768p
50−55
55−60
medium / 768p
40−45
50−55
high / 1080p
10−12
14−16
ultra / 1080p
6−7
7−8
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6790 in Grand Theft Auto V is 17% more, than Radeon 540.
high / 1080p
4−5
5−6
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
0−1
low / 720p
10−12
14−16
medium / 1080p
6−7
7−8
The average gaming FPS of Radeon HD 6790 in Metro Exodus is 33% more, than Radeon 540.
low / 768p
90−95
95−100
high / 1080p
85−90
90−95
ultra / 1080p
75−80
85−90
medium / 1080p
90−95
95−100
The average gaming FPS of Radeon HD 6790 in Minecraft is 6% more, than Radeon 540.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−33
35−40
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon HD 6790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon 540.
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
10−12
14−16
medium / 1080p
10−11
10−12
The average gaming FPS of Radeon HD 6790 in Red Dead Redemption 2 is 22% more, than Radeon 540.
low / 768p
21−24
27−30
medium / 768p
14−16
18−20
high / 1080p
8−9
10−11
ultra / 1080p
6−7
7−8
4K / 2160p
−
6−7
The average gaming FPS of Radeon HD 6790 in The Witcher 3: Wild Hunt is 23% more, than Radeon 540.
low / 768p
85−90
85−90
medium / 768p
40−45
45−50
ultra / 1080p
18−20
21−24
high / 768p
35−40
40−45
The average gaming FPS of Radeon HD 6790 in World of Tanks is 8% more, than Radeon 540.
Full Specs
Radeon 540
Radeon HD 6790
Architecture
GCN 4.0
Terascale 2
Code name
Lexa
Barts
Type
Desktop
Desktop
Release date
26 March 2019
4 April 2011
Pipelines
512
800
Core clock speed
1100 MHz
840 MHz
Boost Clock
1124 MHz
Transistor count
2,200 million
1,700 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
35.97
33.60
Floating-point performance
1,344.0 gflops
Length
145 mm
198 mm
Memory bus width
64 Bit
256 Bit
Memory clock speed
7000 MHz
1050 MHz
Memory bandwidth
56 GB/s
134.4 GB/s
DirectX
12 (12_0)
11.2 (11_0)
Shader Model
6.4
5.0
OpenGL
4.6
4.4
OpenCL
2.0
1.2
Vulkan
1.2.131
N/A
Bitcoin / BTC (SHA256)
122 Mh/s
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