Mobility Radeon HD 4830 vs Radeon HD 7990
If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 4830 and Radeon HD 7990, 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 Mobility Radeon HD 4830 stacks up against Radeon HD 7990, check out specs charts below.
Mobility Radeon HD 4830 is a Laptop Graphics Card
Note: Mobility Radeon HD 4830 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 Mobility Radeon HD 4830 here:
Main Specs
Mobility Radeon HD 4830
Radeon HD 7990
Power consumption (TDP)
375 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR3, DDR3
GDDR5
Maximum RAM amount
1 GB
3 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Mobility Radeon HD 4830 is connected by PCIe 2.0 x16, and Radeon HD 7990 uses PCIe 3.0 x16 interface.
Radeon HD 7990 has 2 GB more memory, than Mobility Radeon HD 4830.
Mobility Radeon HD 4830 is used in Laptops, and Radeon HD 7990 - in Desktops.
Mobility Radeon HD 4830 is build with Terascale 1 architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 400 MHz higher, than Mobility Radeon HD 4830.
Mobility Radeon HD 4830 is manufactured by 40 nm process technology, and Radeon HD 7990 - by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 5300 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
35−40
ultra / 1080p
0−1
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
10−11
60−65
medium / 1080p
1−2
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 766% more, than Mobility Radeon HD 4830.
high / 1080p
−
55−60
ultra / 1080p
2−3
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
10−11
100−110
medium / 1080p
3−4
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 1320% more, than Mobility Radeon HD 4830.
low / 768p
50−55
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Mobility Radeon HD 4830 and Radeon HD 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
250−260
medium / 768p
80−85
220−230
ultra / 1080p
30−35
180−190
QHD / 1440p
−
110−120
4K / 2160p
9−10
70−75
high / 768p
55−60
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 222% more, than Mobility Radeon HD 4830.
low / 768p
70−75
60−65
ultra / 1080p
12−14
−
medium / 1080p
45−50
55−60
Mobility Radeon HD 4830 and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
120−130
medium / 768p
40−45
110−120
ultra / 1080p
16−18
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 161% more, than Mobility Radeon HD 4830.
high / 1080p
1−2
45−50
ultra / 1080p
−
40−45
QHD / 1440p
−
27−30
4K / 2160p
0−1
14−16
low / 720p
8−9
80−85
medium / 1080p
2−3
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 1375% more, than Mobility Radeon HD 4830.
high / 1080p
−
60−65
ultra / 1080p
4−5
45−50
QHD / 1440p
1−2
27−30
4K / 2160p
−
27−30
low / 720p
45−50
180−190
medium / 1080p
5−6
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 571% more, than Mobility Radeon HD 4830.
high / 1080p
2−3
60−65
ultra / 1080p
−
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
12−14
100−110
medium / 1080p
4−5
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 1200% more, than Mobility Radeon HD 4830.
low / 768p
40−45
140−150
medium / 768p
−
120−130
high / 1080p
2−3
70−75
ultra / 1080p
−
30−35
QHD / 1440p
0−1
21−24
medium / 720p
30−35
−
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 390% more, than Mobility Radeon HD 4830.
high / 1080p
0−1
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
1−2
65−70
medium / 1080p
−
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 6600% more, than Mobility Radeon HD 4830.
low / 768p
85−90
130−140
high / 1080p
55−60
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 55% more, than Mobility Radeon HD 4830.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
21−24
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 187% more, than Mobility Radeon HD 4830.
high / 1080p
−
24−27
ultra / 1080p
−
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
3−4
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 2133% more, than Mobility Radeon HD 4830.
low / 768p
5−6
130−140
medium / 768p
5−6
85−90
high / 1080p
2−3
45−50
ultra / 1080p
−
24−27
4K / 2160p
0−1
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 2150% more, than Mobility Radeon HD 4830.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
10−12
50−55
high / 768p
27−30
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 81% more, than Mobility Radeon HD 4830.
Full Specs
Mobility Radeon HD 4830
Radeon HD 7990
Architecture
Terascale 1
GCN 1.0
Code name
M97
Malta
Type
Laptop
Desktop
Release date
3 March 2009
24 April 2013
Pipelines
640
2048
Core clock speed
550 MHz
950 MHz
Boost Clock
1000 MHz
Transistor count
826 million
4,313 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
17.60
128.0
Floating-point performance
704.0 gflops
2x 4,096 gflops
Length
307 mm
Memory bus width
128 Bit
384 Bit
Memory clock speed
700 MHz
6000 MHz
Memory bandwidth
44.8 GB/s
288.0 GB/s
Shared memory
-
DirectX
10.1 (10_1)
12 (11_1)
Shader Model
4.1
5.1
OpenGL
3.3
4.6
OpenCL
1.1
1.2
Vulkan
N/A
1.2.131
Bitcoin / BTC (SHA256)
459 Mh/s
Laptop size
large
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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