GeForce GT 645M vs Mobility Radeon HD 4830
When choosing between GeForce GT 645M and Mobility Radeon HD 4830, 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 GeForce GT 645M and Mobility Radeon HD 4830.
GeForce GT 645M and Mobility Radeon HD 4830 are Laptop Graphics Cards
Note: GeForce GT 645M and Mobility Radeon HD 4830 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 GeForce GT 645M or Mobility Radeon HD 4830 here:
Main Specs
GeForce GT 645M
Mobility Radeon HD 4830
Power consumption (TDP)
32 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Memory type
DDR3\GDDR5
GDDR3, DDR3
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
No outputs
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GeForce GT 645M is connected by PCIe 3.0 x16, and Mobility Radeon HD 4830 uses PCIe 2.0 x16 interface.
GeForce GT 645M has 1 GB more memory, than Mobility Radeon HD 4830.
Both cards are used in Laptops.
GeForce GT 645M is build with Kepler architecture, and Mobility Radeon HD 4830 - with Terascale 1.
GeForce GT 645M is manufactured by 28 nm process technology, and Mobility Radeon HD 4830 - by 40 nm process technology.
Memory clock speed of GeForce GT 645M is 1100 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
1−2
0−1
ultra / 1080p
0−1
0−1
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−11
medium / 1080p
2−3
1−2
The average gaming FPS of GeForce GT 645M in Assassin's Creed Odyssey is 16% more, than Mobility Radeon HD 4830.
ultra / 1080p
3−4
2−3
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−11
medium / 1080p
4−5
3−4
The average gaming FPS of GeForce GT 645M in Battlefield 5 is 40% more, than Mobility Radeon HD 4830.
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GT 645M and Mobility Radeon HD 4830 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
110−120
medium / 768p
85−90
80−85
ultra / 1080p
35−40
30−35
4K / 2160p
10−11
9−10
high / 768p
60−65
55−60
The average gaming FPS of GeForce GT 645M in Counter-Strike: Global Offensive is 5% more, than Mobility Radeon HD 4830.
low / 768p
70−75
70−75
ultra / 1080p
14−16
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 2% more, than Mobility Radeon HD 4830.
low / 768p
70−75
70−75
medium / 768p
45−50
40−45
ultra / 1080p
18−20
16−18
The average gaming FPS of GeForce GT 645M in Dota 2 is 4% more, than Mobility Radeon HD 4830.
high / 1080p
2−3
1−2
ultra / 1080p
2−3
−
4K / 2160p
0−1
0−1
low / 720p
10−11
8−9
medium / 1080p
3−4
2−3
The average gaming FPS of GeForce GT 645M in Far Cry 5 is 25% more, than Mobility Radeon HD 4830.
ultra / 1080p
5−6
4−5
QHD / 1440p
1−2
1−2
low / 720p
45−50
45−50
medium / 1080p
8−9
5−6
The average gaming FPS of GeForce GT 645M in Fortnite is 7% more, than Mobility Radeon HD 4830.
high / 1080p
3−4
2−3
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
6−7
4−5
The average gaming FPS of GeForce GT 645M in Forza Horizon 4 is 33% more, than Mobility Radeon HD 4830.
low / 768p
40−45
40−45
high / 1080p
3−4
2−3
ultra / 1080p
2−3
−
QHD / 1440p
0−1
0−1
medium / 720p
35−40
30−35
The average gaming FPS of GeForce GT 645M in Grand Theft Auto V is 8% more, than Mobility Radeon HD 4830.
high / 1080p
1−2
0−1
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
3−4
1−2
medium / 1080p
2−3
−
The average gaming FPS of GeForce GT 645M in Metro Exodus is 200% more, than Mobility Radeon HD 4830.
low / 768p
85−90
85−90
high / 1080p
55−60
55−60
GeForce GT 645M and Mobility Radeon HD 4830 have the same average FPS in Minecraft.
high / 1080p
14−16
14−16
ultra / 1080p
12−14
12−14
low / 720p
24−27
21−24
medium / 1080p
14−16
14−16
The average gaming FPS of GeForce GT 645M in PLAYERUNKNOWN'S BATTLEGROUNDS is 6% more, than Mobility Radeon HD 4830.
ultra / 1080p
3−4
−
QHD / 1440p
0−1
0−1
low / 720p
4−5
3−4
The average gaming FPS of GeForce GT 645M in Red Dead Redemption 2 is 33% more, than Mobility Radeon HD 4830.
low / 768p
8−9
5−6
medium / 768p
7−8
5−6
high / 1080p
3−4
2−3
ultra / 1080p
3−4
−
4K / 2160p
0−1
0−1
The average gaming FPS of GeForce GT 645M in The Witcher 3: Wild Hunt is 50% more, than Mobility Radeon HD 4830.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
12−14
10−12
high / 768p
30−33
27−30
The average gaming FPS of GeForce GT 645M in World of Tanks is 2% more, than Mobility Radeon HD 4830.
Full Specs
GeForce GT 645M
Mobility Radeon HD 4830
Architecture
Kepler
Terascale 1
Code name
N13P-GS
M97
Type
Laptop
Laptop
Release date
22 March 2012
3 March 2009
Pipelines
384
640
Core clock speed
550 MHz
Transistor count
1,270 million
826 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
22.7 billion/sec
17.60
Floating-point performance
544.5 gflops
704.0 gflops
Memory bus width
128bit
128 Bit
Memory clock speed
1800 MHz
700 MHz
Memory bandwidth
44.8 GB/s
Shared memory
-
-
DirectX
12 API
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.5
3.3
OpenCL
1.1
1.1
Vulkan
1.1.126
N/A
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
19 Mh/s
Laptop size
medium sized
large
Optimus
+
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