Radeon 540X vs Radeon HD 6990
Find out if it is worth upgrading your current GPU setup by comparing Radeon 540X and Radeon HD 6990. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon 540X and Radeon HD 6990. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
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 6990
Power consumption (TDP)
50 Watt
375 Watt
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 650% more power consumption, than Radeon 540X.
Radeon 540X is connected by PCIe 3.0 x8, and Radeon HD 6990 uses PCIe 2.0 x16 interface.
Radeon 540X and Radeon HD 6990 have maximum RAM of 2 GB.
Radeon 540X is used in Laptops, and Radeon HD 6990 - in Desktops.
Radeon 540X is build with GCN 4.0 architecture, and Radeon HD 6990 - with TeraScale 3.
Radeon 540X is manufactured by 14 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
Memory clock speed of Radeon 540X is 1000 MHz higher, than Radeon HD 6990.
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
14−16
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
3−4
low / 720p
14−16
30−35
medium / 1080p
7−8
18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 137% more, than Radeon 540X.
high / 1080p
10−12
24−27
ultra / 1080p
9−10
21−24
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
21−24
50−55
medium / 1080p
10−12
27−30
The average gaming FPS of Radeon HD 6990 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 6990 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
210−220
medium / 768p
100−110
170−180
ultra / 1080p
50−55
95−100
QHD / 1440p
27−30
50−55
4K / 2160p
−
30−33
high / 768p
75−80
140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 77% 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 6990 in Cyberpunk 2077 is 22% more, than Radeon 540X.
low / 768p
75−80
110−120
medium / 768p
55−60
90−95
ultra / 1080p
30−35
60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 63% more, than Radeon 540X.
high / 1080p
7−8
18−20
ultra / 1080p
7−8
16−18
4K / 2160p
3−4
6−7
low / 720p
16−18
35−40
medium / 1080p
8−9
18−20
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 137% more, than Radeon 540X.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
18−20
QHD / 1440p
−
16−18
low / 720p
55−60
95−100
medium / 1080p
20−22
50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 84% more, than Radeon 540X.
high / 1080p
10−12
24−27
ultra / 1080p
10−11
20−22
QHD / 1440p
0−1
9−10
low / 720p
24−27
50−55
medium / 1080p
12−14
27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 106% more, than Radeon 540X.
low / 768p
50−55
85−90
medium / 768p
40−45
75−80
high / 1080p
10−12
30−33
ultra / 1080p
6−7
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 85% more, than Radeon 540X.
high / 1080p
4−5
9−10
ultra / 1080p
3−4
7−8
4K / 2160p
0−1
2−3
low / 720p
10−12
27−30
medium / 1080p
6−7
12−14
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 133% more, than Radeon 540X.
low / 768p
90−95
110−120
high / 1080p
85−90
−
ultra / 1080p
75−80
100−110
medium / 1080p
90−95
100−110
The average gaming FPS of Radeon HD 6990 in Minecraft is 24% 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 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Radeon 540X.
high / 1080p
−
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
0−1
0−1
low / 720p
10−12
27−30
medium / 1080p
10−11
16−18
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 100% more, than Radeon 540X.
low / 768p
21−24
55−60
medium / 768p
14−16
30−35
high / 1080p
8−9
18−20
ultra / 1080p
6−7
10−12
4K / 2160p
−
8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 130% 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
50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 39% more, than Radeon 540X.
Full Specs
Radeon 540X
Radeon HD 6990
Architecture
GCN 4.0
TeraScale 3
Code name
Lexa
Antilles
Type
Laptop
Desktop
Release date
12 August 2019
8 March 2011
Pipelines
512
1536
Core clock speed
830 MHz
Boost Clock
1219 MHz
Transistor count
2,200 million
2,640 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
33.47
79.68
Floating-point performance
2x 2,549.8 gflops
Length
295 mm
Memory bus width
64 Bit
256 Bit
Memory clock speed
6000 MHz
5000 MHz
Memory bandwidth
112.0 GB/s
160.0 GB/s
Shared memory
-
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)
265 Mh/s
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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