GeForce GTX 275 vs Iris Plus Graphics 645
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 275 and Iris Plus Graphics 645. 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 GTX 275 and Iris Plus Graphics 645. 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 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:
Main Specs
GeForce GTX 275
Iris Plus Graphics 645
Power consumption (TDP)
219 Watt
15 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
2x 6-pin
Memory type
GDDR3
DDR3/DDR4
Maximum RAM amount
896 MB
Display Connectors
2x DVI
No outputs
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GeForce GTX 275 has 1360% more power consumption, than Iris Plus Graphics 645.
GeForce GTX 275 is connected by PCIe 2.0 x16, and Iris Plus Graphics 645 uses PCIe 3.0 x1 interface.
GeForce GTX 275 is used in Desktops, and Iris Plus Graphics 645 - in Laptops.
GeForce GTX 275 is build with Tesla 2.0 architecture, and Iris Plus Graphics 645 - with Gen. 9.5 Coffee Lake.
Core clock speed of GeForce GTX 275 is 1104 MHz higher, than Iris Plus Graphics 645.
GeForce GTX 275 is manufactured by 55 nm process technology, and Iris Plus Graphics 645 - by 14 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
6−7
4−5
ultra / 1080p
4−5
2−3
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
5−6
The average gaming FPS of GeForce GTX 275 in Assassin's Creed Odyssey is 50% more, than Iris Plus Graphics 645.
high / 1080p
10−12
−
ultra / 1080p
10−11
7−8
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
8−9
The average gaming FPS of GeForce GTX 275 in Battlefield 5 is 45% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GTX 275 and Iris Plus Graphics 645 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
100−110
medium / 768p
100−110
80−85
ultra / 1080p
50−55
35−40
QHD / 1440p
27−30
24−27
4K / 2160p
27−30
−
high / 768p
75−80
60−65
The average gaming FPS of GeForce GTX 275 in Counter-Strike: Global Offensive is 27% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
18−20
12−14
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GTX 275 in Cyberpunk 2077 is 5% more, than Iris Plus Graphics 645.
low / 768p
75−80
65−70
medium / 768p
55−60
45−50
ultra / 1080p
30−35
21−24
The average gaming FPS of GeForce GTX 275 in Dota 2 is 22% more, than Iris Plus Graphics 645.
high / 1080p
8−9
5−6
ultra / 1080p
7−8
5−6
4K / 2160p
3−4
3−4
low / 720p
18−20
12−14
medium / 1080p
8−9
5−6
The average gaming FPS of GeForce GTX 275 in Far Cry 5 is 50% more, than Iris Plus Graphics 645.
high / 1080p
14−16
12−14
ultra / 1080p
10−11
8−9
low / 720p
60−65
45−50
medium / 1080p
21−24
12−14
The average gaming FPS of GeForce GTX 275 in Fortnite is 35% more, than Iris Plus Graphics 645.
high / 1080p
12−14
8−9
ultra / 1080p
10−12
−
QHD / 1440p
1−2
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
9−10
The average gaming FPS of GeForce GTX 275 in Forza Horizon 4 is 54% more, than Iris Plus Graphics 645.
low / 768p
50−55
40−45
medium / 768p
45−50
35−40
high / 1080p
12−14
7−8
ultra / 1080p
6−7
5−6
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 275 in Grand Theft Auto V is 26% more, than Iris Plus Graphics 645.
high / 1080p
4−5
3−4
ultra / 1080p
3−4
2−3
4K / 2160p
0−1
0−1
low / 720p
12−14
7−8
medium / 1080p
6−7
4−5
The average gaming FPS of GeForce GTX 275 in Metro Exodus is 50% more, than Iris Plus Graphics 645.
low / 768p
90−95
85−90
high / 1080p
85−90
80−85
ultra / 1080p
80−85
70−75
medium / 1080p
90−95
−
The average gaming FPS of GeForce GTX 275 in Minecraft is 8% more, than Iris Plus Graphics 645.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
24−27
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce GTX 275 in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Iris Plus Graphics 645.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
10−12
7−8
medium / 1080p
10−12
−
The average gaming FPS of GeForce GTX 275 in Red Dead Redemption 2 is 28% more, than Iris Plus Graphics 645.
low / 768p
24−27
16−18
medium / 768p
16−18
12−14
high / 1080p
9−10
6−7
ultra / 1080p
6−7
5−6
The average gaming FPS of GeForce GTX 275 in The Witcher 3: Wild Hunt is 40% more, than Iris Plus Graphics 645.
low / 768p
85−90
80−85
medium / 768p
40−45
35−40
ultra / 1080p
18−20
14−16
high / 768p
35−40
30−33
The average gaming FPS of GeForce GTX 275 in World of Tanks is 12% more, than Iris Plus Graphics 645.
Full Specs
GeForce GTX 275
Iris Plus Graphics 645
Architecture
Tesla 2.0
Gen. 9.5 Coffee Lake
Code name
GT200B
Kaby Lake GT3e
Type
Desktop
Laptop
Release date
15 January 2009
10 July 2019
Pipelines
240
48
Core clock speed
1404 MHz
300 MHz
Boost Clock
1150 MHz
Transistor count
1,400 million
Manufacturing process technology
55 nm
14 nm
Texture fill rate
50.6 billion/sec
50.40
Floating-point performance
673.9 gflops
Length
10.5" (267 mm) (26.7 cm)
Memory bus width
448 Bit
Memory clock speed
1134 MHz
Memory bandwidth
127.0 GB/s
Shared memory
+
DirectX
11.1 (10_0)
12 (12_1)
Shader Model
4.0
6.4
OpenGL
3.0
4.6
OpenCL
1.1
2.1
Vulkan
N/A
1.1.103
CUDA
+
CUDA cores
240
Bus support
PCI-E 2.0
Height
4.376" (111 mm) (11.1 cm)
SLI options
+
Multi monitor support
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
S/PDIF
Quick Sync
+
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