Radeon 540X vs Radeon HD 6990M
When choosing between Radeon 540X and Radeon HD 6990M, 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 540X and Radeon HD 6990M.
Radeon 540X and Radeon HD 6990M are Laptop Graphics Cards
Note: Radeon 540X and Radeon HD 6990M 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 6990M here:
Main Specs
Radeon 540X
Radeon HD 6990M
Power consumption (TDP)
50 Watt
100 Watt
Interface
PCIe 3.0 x8
MXM-B (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 HD 6990M has 100% more power consumption, than Radeon 540X.
Radeon 540X is connected by PCIe 3.0 x8, and Radeon HD 6990M uses MXM-B (3.0) interface.
Radeon 540X and Radeon HD 6990M have maximum RAM of 2 GB.
Both cards are used in Laptops.
Radeon 540X is build with GCN 4.0 architecture, and Radeon HD 6990M - with Terascale 2.
Radeon 540X is manufactured by 14 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
Memory clock speed of Radeon 540X is 5100 MHz higher, than Radeon HD 6990M.
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
8−9
QHD / 1440p
0−1
3−4
low / 720p
14−16
30−33
medium / 1080p
7−8
16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 125% more, than Radeon 540X.
high / 1080p
10−12
21−24
ultra / 1080p
9−10
18−20
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
21−24
45−50
medium / 1080p
10−12
24−27
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 115% 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 6990M have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
200−210
medium / 768p
100−110
170−180
ultra / 1080p
50−55
90−95
QHD / 1440p
27−30
50−55
4K / 2160p
−
30−33
high / 768p
75−80
130−140
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 71% more, than Radeon 540X.
low / 768p
55−60
55−60
ultra / 1080p
16−18
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 17% more, than Radeon 540X.
low / 768p
75−80
100−110
medium / 768p
55−60
90−95
ultra / 1080p
30−35
60−65
The average gaming FPS of Radeon HD 6990M in Dota 2 is 56% more, than Radeon 540X.
high / 1080p
7−8
16−18
ultra / 1080p
7−8
14−16
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 6990M 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 6990M in Fortnite is 84% more, than Radeon 540X.
high / 1080p
10−12
24−27
ultra / 1080p
10−11
18−20
QHD / 1440p
0−1
8−9
low / 720p
24−27
50−55
medium / 1080p
12−14
27−30
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 106% more, than Radeon 540X.
low / 768p
50−55
80−85
medium / 768p
40−45
70−75
high / 1080p
10−12
27−30
ultra / 1080p
6−7
10−12
QHD / 1440p
0−1
2−3
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 71% 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 6990M 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 6990M in Minecraft is 24% more, than Radeon 540X.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
16−18
low / 720p
30−33
55−60
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% 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 6990M in Red Dead Redemption 2 is 100% more, than Radeon 540X.
low / 768p
21−24
50−55
medium / 768p
14−16
30−35
high / 1080p
8−9
18−20
ultra / 1080p
6−7
10−11
4K / 2160p
−
8−9
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 115% more, than Radeon 540X.
low / 768p
85−90
100−105
medium / 768p
40−45
60−65
ultra / 1080p
18−20
30−35
high / 768p
35−40
50−55
The average gaming FPS of Radeon HD 6990M in World of Tanks is 34% more, than Radeon 540X.
Full Specs
Radeon 540X
Radeon HD 6990M
Architecture
GCN 4.0
Terascale 2
Code name
Lexa
Blackcomb XTX
Type
Laptop
Laptop
Release date
12 August 2019
12 July 2011
Pipelines
512
1120
Core clock speed
715 MHz
Boost Clock
1219 MHz
Transistor count
2,200 million
1,700 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
33.47
40.04
Floating-point performance
1,601.6 gflops
Memory bus width
64 Bit
256 Bit
Memory clock speed
6000 MHz
900 MHz
Memory bandwidth
112.0 GB/s
115.2 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
Laptop size
large
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