GeForce GT 645M vs Radeon R9 A375

In this comparison between GeForce GT 645M and Radeon R9 A375 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 R9 A375 will be their preference. Study the comparison tables below and make your choice.

GeForce GT 645M Check Price

Radeon R9 A375

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 R9 A375
Power consumption (TDP)	32 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Memory type	DDR3\GDDR5	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs	No outputs
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Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 645M and Radeon R9 A375 have maximum RAM of 2 GB.
GeForce GT 645M is used in Laptops, and Radeon R9 A375 - in Desktops.
GeForce GT 645M is build with Kepler architecture, and Radeon R9 A375 - with GCN 1.0.
GeForce GT 645M and Radeon R9 A375 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 645M is 1796 MHz higher, than Radeon R9 A375.

Game benchmarks


high / 1080p	1−2	2−3
ultra / 1080p	0−1	1−2
QHD / 1440p	0−1	0−1
low / 720p	12−14	12−14
medium / 1080p	2−3	4−5
The average gaming FPS of Radeon R9 A375 in Assassin's Creed Odyssey is 20% more, than GeForce GT 645M.
ultra / 1080p	3−4	5−6
QHD / 1440p	0−1	0−1
low / 720p	12−14	16−18
medium / 1080p	4−5	6−7
The average gaming FPS of Radeon R9 A375 in Battlefield 5 is 28% more, than GeForce GT 645M.
low / 768p	50−55	50−55
high / 1080p	45−50	40−45
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GT 645M in Call of Duty: Warzone is 6% more, than Radeon R9 A375.
low / 768p	110−120	120−130
medium / 768p	85−90	95−100
ultra / 1080p	35−40	40−45
QHD / 1440p	−	21−24
4K / 2160p	10−11	16−18
high / 768p	60−65	65−70
The average gaming FPS of Radeon R9 A375 in Counter-Strike: Global Offensive is 11% more, than GeForce GT 645M.
low / 768p	70−75	65−70
ultra / 1080p	14−16	20−22
medium / 1080p	45−50	45−50
GeForce GT 645M and Radeon R9 A375 have the same average FPS in Cyberpunk 2077.
low / 768p	70−75	75−80
medium / 768p	45−50	45−50
ultra / 1080p	18−20	21−24
The average gaming FPS of Radeon R9 A375 in Dota 2 is 6% more, than GeForce GT 645M.
high / 1080p	2−3	2−3
ultra / 1080p	2−3	2−3
4K / 2160p	0−1	2−3
low / 720p	10−11	10−12
medium / 1080p	3−4	4−5
The average gaming FPS of Radeon R9 A375 in Far Cry 5 is 25% more, than GeForce GT 645M.
high / 1080p	−	10−11
ultra / 1080p	5−6	5−6
QHD / 1440p	1−2	4−5
low / 720p	45−50	50−55
medium / 1080p	8−9	10−12
The average gaming FPS of Radeon R9 A375 in Fortnite is 20% more, than GeForce GT 645M.
high / 1080p	3−4	5−6
QHD / 1440p	0−1	3−4
4K / 2160p	−	2−3
low / 720p	14−16	18−20
medium / 1080p	6−7	8−9
The average gaming FPS of Radeon R9 A375 in Forza Horizon 4 is 37% more, than GeForce GT 645M.
low / 768p	40−45	45−50
high / 1080p	3−4	4−5
ultra / 1080p	2−3	2−3
QHD / 1440p	0−1	0−1
medium / 720p	35−40	35−40
The average gaming FPS of Radeon R9 A375 in Grand Theft Auto V is 9% more, than GeForce GT 645M.
high / 1080p	1−2	2−3
ultra / 1080p	0−1	0−1
4K / 2160p	0−1	0−1
low / 720p	3−4	4−5
medium / 1080p	2−3	3−4
The average gaming FPS of Radeon R9 A375 in Metro Exodus is 50% more, than GeForce GT 645M.
low / 768p	85−90	85−90
high / 1080p	55−60	80−85
4K / 2160p	−	75−80
The average gaming FPS of Radeon R9 A375 in Minecraft is 18% more, than GeForce GT 645M.
high / 1080p	14−16	−
ultra / 1080p	12−14	12−14
low / 720p	24−27	27−30
medium / 1080p	14−16	14−16
The average gaming FPS of Radeon R9 A375 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than GeForce GT 645M.
ultra / 1080p	3−4	−
QHD / 1440p	0−1	−
low / 720p	4−5	6−7
The average gaming FPS of Radeon R9 A375 in Red Dead Redemption 2 is 50% more, than GeForce GT 645M.
low / 768p	8−9	10−11
medium / 768p	7−8	8−9
high / 1080p	3−4	4−5
ultra / 1080p	3−4	4−5
4K / 2160p	0−1	1−2
The average gaming FPS of Radeon R9 A375 in The Witcher 3: Wild Hunt is 40% more, than GeForce GT 645M.
low / 768p	70−75	75−80
medium / 768p	35−40	35−40
ultra / 1080p	12−14	14−16
high / 768p	30−33	30−33
The average gaming FPS of Radeon R9 A375 in World of Tanks is 5% more, than GeForce GT 645M.

Full Specs

	GeForce GT 645M	Radeon R9 A375
Architecture	Kepler	GCN 1.0
Code name	N13P-GS	Venus
Type	Laptop	Desktop
Release date	22 March 2012	no data
Pipelines	384	640
Core clock speed		900 MHz
Boost Clock		925 MHz
Transistor count	1,270 million	1,500 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	22.7 billion/sec	37.00
Floating-point performance	544.5 gflops
Memory bus width	128bit	128 Bit
Memory clock speed	1800 MHz	4.5 GB/s
Memory bandwidth		72 GB/s
Shared memory	-
DirectX	12 API	12 (11_1)
Shader Model	5.1	5.1
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	1.1.126	1.2
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 R9 A375

GeForce GT 645M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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