FirePro W4100 vs GeForce GT 645M

Find out if it is worth upgrading your current GPU setup by comparing FirePro W4100 and GeForce GT 645M. 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 FirePro W4100 and GeForce GT 645M. 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.

FirePro W4100 Check Price

GeForce GT 645M Check Price

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

	FirePro W4100	GeForce GT 645M
Power consumption (TDP)	50 Watt	32 Watt
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Supplementary power connectors	None
Memory type	GDDR5	DDR3\GDDR5
Maximum RAM amount	2 GB	2 GB
Display Connectors	4x mini-DisplayPort	No outputs
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FirePro W4100 has 56% more power consumption, than GeForce GT 645M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
FirePro W4100 and GeForce GT 645M have maximum RAM of 2 GB.
FirePro W4100 is used in Desktops, and GeForce GT 645M - in Laptops.
FirePro W4100 is build with GCN architecture, and GeForce GT 645M - with Kepler.
FirePro W4100 and GeForce GT 645M are manufactured by 28 nm process technology.
Memory clock speed of FirePro W4100 is 2200 MHz higher, than GeForce GT 645M.

Game benchmarks


high / 1080p	6−7	1−2
ultra / 1080p	4−5	0−1
QHD / 1440p	0−1	0−1
low / 720p	16−18	12−14
medium / 1080p	8−9	2−3
The average gaming FPS of FirePro W4100 in Assassin's Creed Odyssey is 100% more, than GeForce GT 645M.
high / 1080p	12−14	−
ultra / 1080p	10−11	3−4
QHD / 1440p	0−1	0−1
low / 720p	24−27	12−14
medium / 1080p	12−14	4−5
The average gaming FPS of FirePro W4100 in Battlefield 5 is 128% more, than GeForce GT 645M.
low / 768p	45−50	50−55
high / 1080p	45−50	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of GeForce GT 645M in Call of Duty: Warzone is 6% more, than FirePro W4100.
low / 768p	130−140	110−120
medium / 768p	110−120	85−90
ultra / 1080p	50−55	35−40
QHD / 1440p	30−33	−
4K / 2160p	27−30	10−11
high / 768p	80−85	60−65
The average gaming FPS of FirePro W4100 in Counter-Strike: Global Offensive is 32% more, than GeForce GT 645M.
low / 768p	55−60	70−75
ultra / 1080p	18−20	14−16
medium / 1080p	45−50	45−50
The average gaming FPS of GeForce GT 645M in Cyberpunk 2077 is 9% more, than FirePro W4100.
low / 768p	80−85	70−75
medium / 768p	60−65	45−50
ultra / 1080p	30−35	18−20
The average gaming FPS of FirePro W4100 in Dota 2 is 28% more, than GeForce GT 645M.
high / 1080p	8−9	2−3
ultra / 1080p	8−9	2−3
4K / 2160p	3−4	0−1
low / 720p	18−20	10−11
medium / 1080p	9−10	3−4
The average gaming FPS of FirePro W4100 in Far Cry 5 is 175% more, than GeForce GT 645M.
high / 1080p	14−16	−
ultra / 1080p	10−11	5−6
QHD / 1440p	−	1−2
low / 720p	60−65	45−50
medium / 1080p	21−24	8−9
The average gaming FPS of FirePro W4100 in Fortnite is 55% more, than GeForce GT 645M.
high / 1080p	12−14	3−4
ultra / 1080p	10−12	−
QHD / 1440p	1−2	0−1
low / 720p	24−27	14−16
medium / 1080p	14−16	6−7
The average gaming FPS of FirePro W4100 in Forza Horizon 4 is 112% more, than GeForce GT 645M.
low / 768p	50−55	40−45
medium / 768p	45−50	−
high / 1080p	12−14	3−4
ultra / 1080p	6−7	2−3
QHD / 1440p	0−1	0−1
medium / 720p	−	35−40
The average gaming FPS of FirePro W4100 in Grand Theft Auto V is 50% more, than GeForce GT 645M.
high / 1080p	5−6	1−2
ultra / 1080p	3−4	0−1
4K / 2160p	0−1	0−1
low / 720p	12−14	3−4
medium / 1080p	6−7	2−3
The average gaming FPS of FirePro W4100 in Metro Exodus is 300% more, than GeForce GT 645M.
low / 768p	95−100	85−90
high / 1080p	90−95	55−60
ultra / 1080p	80−85	−
medium / 1080p	90−95	−
The average gaming FPS of FirePro W4100 in Minecraft is 31% more, than GeForce GT 645M.
high / 1080p	16−18	14−16
ultra / 1080p	14−16	12−14
low / 720p	30−35	24−27
medium / 1080p	18−20	14−16
The average gaming FPS of FirePro W4100 in PLAYERUNKNOWN'S BATTLEGROUNDS is 17% more, than GeForce GT 645M.
ultra / 1080p	7−8	3−4
QHD / 1440p	0−1	0−1
low / 720p	12−14	4−5
medium / 1080p	10−12	−
The average gaming FPS of FirePro W4100 in Red Dead Redemption 2 is 150% more, than GeForce GT 645M.
low / 768p	24−27	8−9
medium / 768p	16−18	7−8
high / 1080p	9−10	3−4
ultra / 1080p	6−7	3−4
4K / 2160p	6−7	0−1
The average gaming FPS of FirePro W4100 in The Witcher 3: Wild Hunt is 180% more, than GeForce GT 645M.
low / 768p	85−90	70−75
medium / 768p	45−50	35−40
ultra / 1080p	20−22	12−14
high / 768p	35−40	30−33
The average gaming FPS of FirePro W4100 in World of Tanks is 26% more, than GeForce GT 645M.

Full Specs

	FirePro W4100	GeForce GT 645M
Architecture	GCN	Kepler
Code name	Cape Verde	N13P-GS
Type	Workstation	Laptop
Release date	2 October 2015	22 March 2012
Pipelines	512	384
Core clock speed	630 MHz
Transistor count	1,500 million	1,270 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	20.16	22.7 billion/sec
Floating-point performance	645.1 gflops	544.5 gflops
Length	171 mm
Memory bus width	128 Bit	128bit
Memory clock speed	4000 MHz	1800 MHz
Memory bandwidth	72 GB/s
Shared memory	-	-
DirectX	12 (11_1)	12 API
Shader Model	5.1	5.1
OpenGL	4.6	4.5
OpenCL	1.2	1.1
Vulkan	1.2.131	1.1.126
CUDA		+
CUDA cores		384
Bus support	PCIe 3.0	PCI Express 2.0, PCI Express 3.0
HDMI		+
HDCP		+
Maximum VGA resolution		Up to 2048x1536
3D Blu-Ray		+
Bitcoin / BTC (SHA256)	79 Mh/s	19 Mh/s
Laptop size		medium sized
Optimus		+
Form factor	low profile / half length
Dual-link DVI support	+
AppAcceleration	+
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FirePro W4100 vs GeForce GT 645M

GeForce GT 645M is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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