Iris Plus Graphics 645 vs Radeon R9 M375X

Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon R9 M375X. 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 Iris Plus Graphics 645 and Radeon R9 M375X. 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.

Iris Plus Graphics 645 Check Price

Radeon R9 M375X

Iris Plus Graphics 645 is a Laptop Graphics Card

Note: Iris Plus Graphics 645 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 Iris Plus Graphics 645 here:

Iris Plus Graphics 645 Laptops

Main Specs

	Iris Plus Graphics 645	Radeon R9 M375X
Power consumption (TDP)	15 Watt
Interface	PCIe 3.0 x1	PCIe 3.0 x16
Memory type	DDR3/DDR4	GDDR5
Maximum RAM amount		4 GB
Display Connectors	No outputs	No outputs
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Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 M375X uses PCIe 3.0 x16 interface.
Iris Plus Graphics 645 is used in Laptops, and Radeon R9 M375X - in Desktops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M375X - with GCN 1.0.
Core clock speed of Radeon R9 M375X is 625 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M375X - by 28 nm process technology.

Game benchmarks


high / 1080p	4−5	9−10
ultra / 1080p	2−3	5−6
QHD / 1440p	0−1	0−1
low / 720p	12−14	21−24
medium / 1080p	5−6	12−14
The average gaming FPS of Radeon R9 M375X in Assassin's Creed Odyssey is 100% more, than Iris Plus Graphics 645.
high / 1080p	−	16−18
ultra / 1080p	7−8	12−14
QHD / 1440p	0−1	0−1
low / 720p	16−18	30−35
medium / 1080p	8−9	16−18
The average gaming FPS of Radeon R9 M375X in Battlefield 5 is 81% more, than Iris Plus Graphics 645.
low / 768p	45−50	45−50
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
Iris Plus Graphics 645 and Radeon R9 M375X have the same average FPS in Call of Duty: Warzone.
low / 768p	100−110	160−170
medium / 768p	80−85	130−140
ultra / 1080p	35−40	65−70
QHD / 1440p	24−27	40−45
4K / 2160p	−	27−30
high / 768p	60−65	100−110
The average gaming FPS of Radeon R9 M375X in Counter-Strike: Global Offensive is 66% more, than Iris Plus Graphics 645.
low / 768p	55−60	55−60
ultra / 1080p	12−14	24−27
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon R9 M375X in Cyberpunk 2077 is 10% more, than Iris Plus Graphics 645.
low / 768p	65−70	90−95
medium / 768p	45−50	70−75
ultra / 1080p	21−24	45−50
The average gaming FPS of Radeon R9 M375X in Dota 2 is 55% more, than Iris Plus Graphics 645.
high / 1080p	5−6	10−12
ultra / 1080p	5−6	10−11
4K / 2160p	3−4	4−5
low / 720p	12−14	24−27
medium / 1080p	5−6	12−14
The average gaming FPS of Radeon R9 M375X in Far Cry 5 is 100% more, than Iris Plus Graphics 645.
high / 1080p	12−14	18−20
ultra / 1080p	8−9	12−14
low / 720p	45−50	70−75
medium / 1080p	12−14	30−35
The average gaming FPS of Radeon R9 M375X in Fortnite is 70% more, than Iris Plus Graphics 645.
high / 1080p	8−9	16−18
ultra / 1080p	−	14−16
QHD / 1440p	0−1	4−5
low / 720p	16−18	35−40
medium / 1080p	9−10	18−20
The average gaming FPS of Radeon R9 M375X in Forza Horizon 4 is 118% more, than Iris Plus Graphics 645.
low / 768p	40−45	65−70
medium / 768p	35−40	55−60
high / 1080p	7−8	18−20
ultra / 1080p	5−6	8−9
QHD / 1440p	0−1	0−1
The average gaming FPS of Radeon R9 M375X in Grand Theft Auto V is 65% more, than Iris Plus Graphics 645.
high / 1080p	3−4	6−7
ultra / 1080p	2−3	4−5
4K / 2160p	0−1	1−2
low / 720p	7−8	18−20
medium / 1080p	4−5	8−9
The average gaming FPS of Radeon R9 M375X in Metro Exodus is 125% more, than Iris Plus Graphics 645.
low / 768p	85−90	100−110
high / 1080p	80−85	−
ultra / 1080p	70−75	90−95
medium / 1080p	−	95−100
The average gaming FPS of Radeon R9 M375X in Minecraft is 22% more, than Iris Plus Graphics 645.
high / 1080p	16−18	18−20
ultra / 1080p	14−16	14−16
low / 720p	24−27	40−45
medium / 1080p	16−18	20−22
The average gaming FPS of Radeon R9 M375X in PLAYERUNKNOWN'S BATTLEGROUNDS is 33% more, than Iris Plus Graphics 645.
high / 1080p	−	12−14
ultra / 1080p	7−8	8−9
QHD / 1440p	0−1	0−1
low / 720p	7−8	18−20
medium / 1080p	−	12−14
The average gaming FPS of Radeon R9 M375X in Red Dead Redemption 2 is 85% more, than Iris Plus Graphics 645.
low / 768p	16−18	35−40
medium / 768p	12−14	21−24
high / 1080p	6−7	12−14
ultra / 1080p	5−6	8−9
4K / 2160p	−	7−8
The average gaming FPS of Radeon R9 M375X in The Witcher 3: Wild Hunt is 100% more, than Iris Plus Graphics 645.
low / 768p	80−85	90−95
medium / 768p	35−40	50−55
ultra / 1080p	14−16	24−27
high / 768p	30−33	40−45
The average gaming FPS of Radeon R9 M375X in World of Tanks is 29% more, than Iris Plus Graphics 645.

Full Specs

	Iris Plus Graphics 645	Radeon R9 M375X
Architecture	Gen. 9.5 Coffee Lake	GCN 1.0
Code name	Kaby Lake GT3e	Tropo
Type	Laptop	Desktop
Release date	10 July 2019	5 May 2015
Pipelines	48	640
Core clock speed	300 MHz	925 MHz
Boost Clock	1150 MHz	1015 MHz
Transistor count		1,500 million
Manufacturing process technology	14 nm	28 nm
Texture fill rate	50.40	40.60
Floating-point performance		1,299 gflops
Memory bus width		128 Bit
Memory clock speed		1125 MHz
Memory bandwidth		72 GB/s
Shared memory	+
DirectX	12 (12_1)
Shader Model	6.4	5.1
OpenGL	4.6	4.4
OpenCL	2.1	Not Listed
Vulkan	1.1.103
FreeSync		+
Bus support		PCIe 3.0
Eyefinity		+
HD3D		+
PowerTune		+
DualGraphics		+
ZeroCore		+
Switchable graphics		+
Mantle		+
Quick Sync	+
Compute units		10
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Iris Plus Graphics 645 vs Radeon R9 M375X

Iris Plus Graphics 645 is a Laptop Graphics Card

Main Specs

Game benchmarks

Full Specs

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