Mobility Radeon HD 4830 vs Radeon HD 6990M
In this comparison between Mobility Radeon HD 4830 and Radeon HD 6990M 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 Mobility Radeon HD 4830 will be the best choice, for others Radeon HD 6990M will be their preference. Study the comparison tables below and make your choice.
Mobility Radeon HD 4830 and Radeon HD 6990M are Laptop Graphics Cards
Note: Mobility Radeon HD 4830 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 Mobility Radeon HD 4830 or Radeon HD 6990M here:
Main Specs
Mobility Radeon HD 4830
Radeon HD 6990M
Power consumption (TDP)
100 Watt
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
None
Memory type
GDDR3, DDR3
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 4830 is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
Radeon HD 6990M has 1 GB more memory, than Mobility Radeon HD 4830.
Both cards are used in Laptops.
Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon HD 6990M - with Terascale 2.
Core clock speed of Radeon HD 6990M is 165 MHz higher, than Mobility Radeon HD 4830.
Mobility Radeon HD 4830 and Radeon HD 6990M are manufactured by 40 nm process technology.
Memory clock speed of Radeon HD 6990M is 200 MHz higher, than Mobility Radeon HD 4830.
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
0−1
14−16
ultra / 1080p
0−1
8−9
QHD / 1440p
0−1
3−4
low / 720p
10−11
30−33
medium / 1080p
1−2
16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 300% more, than Mobility Radeon HD 4830.
high / 1080p
−
21−24
ultra / 1080p
2−3
18−20
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
10−11
45−50
medium / 1080p
3−4
24−27
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 500% more, than Mobility Radeon HD 4830.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Mobility Radeon HD 4830 in Call of Duty: Warzone is 10% more, than Radeon HD 6990M.
low / 768p
110−120
200−210
medium / 768p
80−85
170−180
ultra / 1080p
30−35
90−95
QHD / 1440p
−
50−55
4K / 2160p
9−10
30−33
high / 768p
55−60
130−140
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 115% more, than Mobility Radeon HD 4830.
low / 768p
70−75
55−60
ultra / 1080p
12−14
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 6% more, than Mobility Radeon HD 4830.
low / 768p
70−75
100−110
medium / 768p
40−45
90−95
ultra / 1080p
16−18
60−65
The average gaming FPS of Radeon HD 6990M in Dota 2 is 95% more, than Mobility Radeon HD 4830.
high / 1080p
1−2
16−18
ultra / 1080p
−
14−16
4K / 2160p
0−1
6−7
low / 720p
8−9
35−40
medium / 1080p
2−3
18−20
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 500% more, than Mobility Radeon HD 4830.
high / 1080p
−
24−27
ultra / 1080p
4−5
18−20
QHD / 1440p
1−2
16−18
low / 720p
45−50
95−100
medium / 1080p
5−6
50−55
The average gaming FPS of Radeon HD 6990M in Fortnite is 228% more, than Mobility Radeon HD 4830.
high / 1080p
2−3
24−27
ultra / 1080p
−
18−20
QHD / 1440p
0−1
8−9
low / 720p
12−14
50−55
medium / 1080p
4−5
27−30
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 483% more, than Mobility Radeon HD 4830.
low / 768p
40−45
80−85
medium / 768p
−
70−75
high / 1080p
2−3
27−30
ultra / 1080p
−
10−12
QHD / 1440p
0−1
2−3
medium / 720p
30−35
−
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 150% more, than Mobility Radeon HD 4830.
high / 1080p
0−1
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
1−2
27−30
medium / 1080p
−
12−14
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 2700% more, than Mobility Radeon HD 4830.
low / 768p
85−90
110−120
high / 1080p
55−60
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon HD 6990M in Minecraft is 32% more, than Mobility Radeon HD 4830.
high / 1080p
14−16
21−24
ultra / 1080p
12−14
16−18
low / 720p
21−24
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 87% more, than Mobility Radeon HD 4830.
high / 1080p
−
14−16
ultra / 1080p
−
9−10
QHD / 1440p
0−1
0−1
low / 720p
3−4
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 833% more, than Mobility Radeon HD 4830.
low / 768p
5−6
50−55
medium / 768p
5−6
30−35
high / 1080p
2−3
18−20
ultra / 1080p
−
10−11
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 750% more, than Mobility Radeon HD 4830.
low / 768p
70−75
100−105
medium / 768p
35−40
60−65
ultra / 1080p
10−12
30−35
high / 768p
27−30
50−55
The average gaming FPS of Radeon HD 6990M in World of Tanks is 67% more, than Mobility Radeon HD 4830.
Full Specs
Mobility Radeon HD 4830
Radeon HD 6990M
Architecture
Terascale 1
Terascale 2
Code name
M97
Blackcomb XTX
Type
Laptop
Laptop
Release date
3 March 2009
12 July 2011
Pipelines
640
1120
Core clock speed
550 MHz
715 MHz
Transistor count
826 million
1,700 million
Manufacturing process technology
40 nm
40 nm
Texture fill rate
17.60
40.04
Floating-point performance
704.0 gflops
1,601.6 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
700 MHz
900 MHz
Memory bandwidth
44.8 GB/s
115.2 GB/s
Shared memory
-
-
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
N/A
Laptop size
large
large
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