GeForce GT 640M vs GeForce GTX 770

When choosing between GeForce GT 640M and GeForce GTX 770, 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 640M and GeForce GTX 770.

GeForce GT 640M Check Price

GeForce GTX 770 Check Price

GeForce GT 640M is a Laptop Graphics Card

Note: GeForce GT 640M 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 640M here:

GeForce GT 640M Laptops

Main Specs

	GeForce GT 640M	GeForce GTX 770
Power consumption (TDP)	32 Watt	230 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors		One 8-pin and one 6-pin
Memory type	DDR3\GDDR5	GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	No outputs	2x DVI, 1x HDMI, 1x DisplayPort
	Check Price	Check Price

GeForce GTX 770 has 618% more power consumption, than GeForce GT 640M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 640M and GeForce GTX 770 have maximum RAM of 2 GB.
GeForce GT 640M is used in Laptops, and GeForce GTX 770 - in Desktops.
GeForce GT 640M and GeForce GTX 770 are build with Kepler architecture.
GeForce GT 640M and GeForce GTX 770 are manufactured by 28 nm process technology.
Memory clock speed of GeForce GTX 770 is 5212 MHz higher, than GeForce GT 640M.

Game benchmarks


high / 1080p	0−1	35−40
ultra / 1080p	0−1	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	10−12	60−65
medium / 1080p	2−3	40−45
The average gaming FPS of GeForce GTX 770 in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.
high / 1080p	−	55−60
ultra / 1080p	3−4	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	12−14	100−110
medium / 1080p	4−5	60−65
The average gaming FPS of GeForce GTX 770 in Battlefield 5 is 914% more, than GeForce GT 640M.
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
GeForce GT 640M and GeForce GTX 770 have the same average FPS in Call of Duty: Warzone.
low / 768p	110−120	250−260
medium / 768p	85−90	220−230
ultra / 1080p	35−40	180−190
QHD / 1440p	−	110−120
4K / 2160p	10−11	70−75
high / 768p	55−60	210−220
The average gaming FPS of GeForce GTX 770 in Counter-Strike: Global Offensive is 211% more, than GeForce GT 640M.
low / 768p	70−75	60−65
ultra / 1080p	12−14	−
medium / 1080p	45−50	55−60
GeForce GT 640M and GeForce GTX 770 have the same average FPS in Cyberpunk 2077.
low / 768p	70−75	120−130
medium / 768p	40−45	110−120
ultra / 1080p	18−20	100−110
The average gaming FPS of GeForce GTX 770 in Dota 2 is 161% more, than GeForce GT 640M.
high / 1080p	2−3	45−50
ultra / 1080p	2−3	40−45
QHD / 1440p	−	27−30
4K / 2160p	0−1	14−16
low / 720p	9−10	80−85
medium / 1080p	3−4	45−50
The average gaming FPS of GeForce GTX 770 in Far Cry 5 is 1275% more, than GeForce GT 640M.
high / 1080p	−	60−65
ultra / 1080p	5−6	45−50
QHD / 1440p	1−2	27−30
4K / 2160p	−	27−30
low / 720p	45−50	180−190
medium / 1080p	7−8	110−120
The average gaming FPS of GeForce GTX 770 in Fortnite is 526% more, than GeForce GT 640M.
high / 1080p	2−3	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	14−16	100−110
medium / 1080p	5−6	65−70
The average gaming FPS of GeForce GTX 770 in Forza Horizon 4 is 1014% more, than GeForce GT 640M.
low / 768p	40−45	140−150
medium / 768p	−	120−130
high / 1080p	3−4	70−75
ultra / 1080p	2−3	30−35
QHD / 1440p	0−1	21−24
medium / 720p	30−35	−
The average gaming FPS of GeForce GTX 770 in Grand Theft Auto V is 418% more, than GeForce GT 640M.
high / 1080p	1−2	24−27
ultra / 1080p	0−1	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	2−3	65−70
medium / 1080p	2−3	30−35
The average gaming FPS of GeForce GTX 770 in Metro Exodus is 1950% more, than GeForce GT 640M.
low / 768p	85−90	130−140
high / 1080p	55−60	−
medium / 1080p	−	120−130
The average gaming FPS of GeForce GTX 770 in Minecraft is 55% more, than GeForce GT 640M.
high / 1080p	14−16	−
ultra / 1080p	12−14	14−16
low / 720p	24−27	100−110
medium / 1080p	14−16	18−20
The average gaming FPS of GeForce GTX 770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 170% more, than GeForce GT 640M.
high / 1080p	−	24−27
ultra / 1080p	3−4	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 GeForce GTX 770 in Red Dead Redemption 2 is 1300% more, than GeForce GT 640M.
low / 768p	7−8	130−140
medium / 768p	6−7	85−90
high / 1080p	3−4	45−50
ultra / 1080p	−	24−27
4K / 2160p	0−1	16−18
The average gaming FPS of GeForce GTX 770 in The Witcher 3: Wild Hunt is 1700% more, than GeForce GT 640M.
low / 768p	70−75	90−95
medium / 768p	35−40	60−65
ultra / 1080p	12−14	50−55
high / 768p	27−30	60−65
The average gaming FPS of GeForce GTX 770 in World of Tanks is 81% more, than GeForce GT 640M.

Full Specs

	GeForce GT 640M	GeForce GTX 770
Architecture	Kepler	Kepler
Code name	N13P-GS	GK104
Type	Laptop	Desktop
Release date	22 March 2012	30 May 2013
Pipelines	384	1536
Core clock speed		1046 MHz
Boost Clock	645 MHz	1085 MHz
Transistor count	1,270 million	3,540 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate		134 billion/sec
Floating-point performance	480.0 gflops	3,333 gflops
Length		10.5" (26.7 cm)
Memory bus width	128bit	256 Bit
Memory clock speed	1800 - 4000 MHz	7012 MHz
Memory bandwidth		224.3 GB/s
Shared memory	-
DirectX	12 API	12 (11_0)
Shader Model	5.1	5.1
OpenGL	4.5	4.3
OpenCL	1.1	1.2
Vulkan	1.1.126	1.1.126
CUDA	+	+
CUDA cores	384	1536
Bus support	PCI Express 2.0, PCI Express 3.0	PCI Express 3.0
Height		4.376" (11.1 cm)
Multi monitor support		4 displays
HDMI	+	+
HDCP	+	+
Maximum VGA resolution	Up to 2048x1536	2048x1536
Audio input for HDMI		Internal
3D Blu-Ray	+
3D Gaming		+
3D Vision		+
3D Vision Live		+
Bitcoin / BTC (SHA256)	18 Mh/s	113 Mh/s
Laptop size	medium sized
Optimus	+
Ethereum / ETH (DaggerHashimoto)		3.9 Mh/s
Blu Ray 3D		+
Minimum recommended system power		600 Watt
PhysX		+
	Check Price	Check Price

GeForce GT 640M vs GeForce GTX 770

GeForce GT 640M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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