GeForce GT 645M vs GeForce GT 745A

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 645M and GeForce GT 745A. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 645M and GeForce GT 745A. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

GeForce GT 645M Check Price

GeForce GT 745A

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	GeForce GT 745A
Power consumption (TDP)	32 Watt	33 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Memory type	DDR3\GDDR5	DDR3
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs	No outputs
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GeForce GT 745A has 3% more power consumption, than GeForce GT 645M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 645M and GeForce GT 745A have maximum RAM of 2 GB.
GeForce GT 645M is used in Laptops, and GeForce GT 745A - in Desktops.
GeForce GT 645M and GeForce GT 745A are build with Kepler architecture.
GeForce GT 645M and GeForce GT 745A are manufactured by 28 nm process technology.
Memory clock speed of GeForce GT 645M and GeForce GT 745A is 1800 MHz.

Game benchmarks


high / 1080p	1−2	2−3
ultra / 1080p	0−1	0−1
QHD / 1440p	0−1	0−1
low / 720p	12−14	12−14
medium / 1080p	2−3	4−5
The average gaming FPS of GeForce GT 745A in Assassin's Creed Odyssey is 20% more, than GeForce GT 645M.
high / 1080p	−	6−7
ultra / 1080p	3−4	5−6
QHD / 1440p	0−1	0−1
low / 720p	12−14	16−18
medium / 1080p	4−5	7−8
The average gaming FPS of GeForce GT 745A in Battlefield 5 is 42% 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 GeForce GT 745A.
low / 768p	110−120	110−120
medium / 768p	85−90	85−90
ultra / 1080p	35−40	40−45
QHD / 1440p	−	24−27
4K / 2160p	10−11	−
high / 768p	60−65	60−65
The average gaming FPS of GeForce GT 745A in Counter-Strike: Global Offensive is 1% more, than GeForce GT 645M.
low / 768p	70−75	60−65
ultra / 1080p	14−16	18−20
medium / 1080p	45−50	50−55
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 2% more, than GeForce GT 745A.
low / 768p	70−75	70−75
medium / 768p	45−50	50−55
ultra / 1080p	18−20	24−27
The average gaming FPS of GeForce GT 745A in Dota 2 is 8% more, than GeForce GT 645M.
high / 1080p	2−3	3−4
ultra / 1080p	2−3	3−4
4K / 2160p	0−1	1−2
low / 720p	10−11	12−14
medium / 1080p	3−4	4−5
The average gaming FPS of GeForce GT 745A in Far Cry 5 is 50% more, than GeForce GT 645M.
high / 1080p	−	10−12
ultra / 1080p	5−6	6−7
QHD / 1440p	1−2	2−3
low / 720p	45−50	50−55
medium / 1080p	8−9	14−16
The average gaming FPS of GeForce GT 745A in Fortnite is 26% more, than GeForce GT 645M.
high / 1080p	3−4	7−8
ultra / 1080p	−	5−6
QHD / 1440p	0−1	0−1
low / 720p	14−16	18−20
medium / 1080p	6−7	9−10
The average gaming FPS of GeForce GT 745A in Forza Horizon 4 is 50% more, than GeForce GT 645M.
low / 768p	40−45	45−50
medium / 768p	−	40−45
high / 1080p	3−4	7−8
ultra / 1080p	2−3	3−4
QHD / 1440p	0−1	0−1
medium / 720p	35−40	−
The average gaming FPS of GeForce GT 745A in Grand Theft Auto V is 18% more, than GeForce GT 645M.
high / 1080p	1−2	1−2
ultra / 1080p	0−1	0−1
4K / 2160p	0−1	0−1
low / 720p	3−4	7−8
medium / 1080p	2−3	4−5
The average gaming FPS of GeForce GT 745A in Metro Exodus is 100% more, than GeForce GT 645M.
low / 768p	85−90	80−85
high / 1080p	55−60	80−85
ultra / 1080p	−	70−75
The average gaming FPS of GeForce GT 745A in Minecraft is 13% more, than GeForce GT 645M.
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 GeForce GT 745A have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p	3−4	6−7
QHD / 1440p	0−1	−
low / 720p	4−5	8−9
medium / 1080p	−	7−8
The average gaming FPS of GeForce GT 745A in Red Dead Redemption 2 is 75% more, than GeForce GT 645M.
low / 768p	8−9	16−18
medium / 768p	7−8	12−14
high / 1080p	3−4	6−7
ultra / 1080p	3−4	4−5
4K / 2160p	0−1	2−3
The average gaming FPS of GeForce GT 745A in The Witcher 3: Wild Hunt is 100% more, than GeForce GT 645M.
low / 768p	70−75	80−85
medium / 768p	35−40	35−40
ultra / 1080p	12−14	16−18
high / 768p	30−33	30−35
The average gaming FPS of GeForce GT 745A in World of Tanks is 10% more, than GeForce GT 645M.

Full Specs

	GeForce GT 645M	GeForce GT 745A
Architecture	Kepler	Kepler
Code name	N13P-GS	GK107
Type	Laptop	Desktop
Release date	22 March 2012	26 August 2013
Pipelines	384	384
Core clock speed		837 MHz
Boost Clock		915 MHz
Transistor count	1,270 million	1,270 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	22.7 billion/sec	29.28
Floating-point performance	544.5 gflops	642.8 gflops
Memory bus width	128bit	128 Bit
Memory clock speed	1800 MHz	1800 MHz
Memory bandwidth		28.8 GB/s
Shared memory	-
DirectX	12 API	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.5	4.6
OpenCL	1.1	1.2
Vulkan	1.1.126	1.1.126
CUDA	+	3.0
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	26 Mh/s
Laptop size	medium sized
Optimus	+
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GeForce GT 645M vs GeForce GT 745A

GeForce GT 645M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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