GeForce GT 645M vs Radeon HD 4830

In this comparison between GeForce GT 645M and Radeon HD 4830 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 GeForce GT 645M will be the best choice, for others Radeon HD 4830 will be their preference. Study the comparison tables below and make your choice.

GeForce GT 645M Check Price

Radeon HD 4830

GeForce GT 645M is a Laptop Graphics Card

Note: GeForce GT 645M 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 GeForce GT 645M here:

GeForce GT 645M Laptops

Main Specs

	GeForce GT 645M	Radeon HD 4830
Power consumption (TDP)	32 Watt	95 Watt
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Supplementary power connectors		1x 6-pin
Memory type	DDR3\GDDR5	GDDR3
Maximum RAM amount	2 GB	512 MB
Display Connectors	No outputs	2x DVI, 1x S-Video
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Radeon HD 4830 has 196% more power consumption, than GeForce GT 645M.
GeForce GT 645M is connected by PCIe 3.0 x16, and Radeon HD 4830 uses PCIe 2.0 x16 interface.
Radeon HD 4830 has 510 GB more memory, than GeForce GT 645M.
GeForce GT 645M is used in Laptops, and Radeon HD 4830 - in Desktops.
GeForce GT 645M is build with Kepler architecture, and Radeon HD 4830 - with TeraScale.
GeForce GT 645M is manufactured by 28 nm process technology, and Radeon HD 4830 - by 55 nm process technology.
Memory clock speed of GeForce GT 645M and Radeon HD 4830 is 1800 MHz.

Game benchmarks


high / 1080p	1−2	0−1
ultra / 1080p	0−1	0−1
QHD / 1440p	0−1	0−1
low / 720p	12−14	10−12
medium / 1080p	2−3	2−3
The average gaming FPS of GeForce GT 645M in Assassin's Creed Odyssey is 16% more, than Radeon HD 4830.
ultra / 1080p	3−4	2−3
QHD / 1440p	0−1	0−1
low / 720p	12−14	10−12
medium / 1080p	4−5	4−5
The average gaming FPS of GeForce GT 645M in Battlefield 5 is 16% more, than 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 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	35−40
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 3% more, than 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 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 Radeon HD 4830.
high / 1080p	2−3	1−2
ultra / 1080p	2−3	−
4K / 2160p	0−1	0−1
low / 720p	10−11	9−10
medium / 1080p	3−4	2−3
The average gaming FPS of GeForce GT 645M in Far Cry 5 is 25% more, than Radeon HD 4830.
ultra / 1080p	5−6	5−6
QHD / 1440p	1−2	1−2
low / 720p	45−50	45−50
medium / 1080p	8−9	6−7
GeForce GT 645M and Radeon HD 4830 have the same average FPS in Fortnite.
high / 1080p	3−4	2−3
QHD / 1440p	0−1	0−1
low / 720p	14−16	14−16
medium / 1080p	6−7	5−6
The average gaming FPS of GeForce GT 645M in Forza Horizon 4 is 14% more, than Radeon HD 4830.
low / 768p	40−45	40−45
high / 1080p	3−4	2−3
ultra / 1080p	2−3	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 5% more, than Radeon HD 4830.
high / 1080p	1−2	1−2
ultra / 1080p	0−1	0−1
4K / 2160p	0−1	0−1
low / 720p	3−4	2−3
medium / 1080p	2−3	−
GeForce GT 645M and Radeon HD 4830 have the same average FPS in Metro Exodus.
low / 768p	85−90	85−90
high / 1080p	55−60	55−60
GeForce GT 645M and 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	24−27
medium / 1080p	14−16	14−16
GeForce GT 645M and Radeon HD 4830 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p	3−4	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 Radeon HD 4830.
low / 768p	8−9	6−7
medium / 768p	7−8	6−7
high / 1080p	3−4	3−4
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 20% more, than Radeon HD 4830.
low / 768p	70−75	70−75
medium / 768p	35−40	35−40
ultra / 1080p	12−14	12−14
high / 768p	30−33	27−30
The average gaming FPS of GeForce GT 645M in World of Tanks is 2% more, than Radeon HD 4830.

Full Specs

	GeForce GT 645M	Radeon HD 4830
Architecture	Kepler	TeraScale
Code name	N13P-GS	RV770
Type	Laptop	Desktop
Release date	22 March 2012	21 October 2008
Pipelines	384	640
Core clock speed		575 MHz
Transistor count	1,270 million	956 million
Manufacturing process technology	28 nm	55 nm
Texture fill rate	22.7 billion/sec	18.40
Floating-point performance	544.5 gflops	736.0 gflops
Length		246 mm
Memory bus width	128bit	256 Bit
Memory clock speed	1800 MHz	1800 MHz
Memory bandwidth		57.6 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
Optimus	+
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GeForce GT 645M vs Radeon HD 4830

GeForce GT 645M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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