GeForce GT 640 vs Iris Graphics 6100
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Iris Graphics 6100. 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 640 and Iris Graphics 6100. 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 Graphics 6100 is a Laptop Graphics Card
Note: Iris Graphics 6100 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 Graphics 6100 here:
Main Specs
GeForce GT 640
Iris Graphics 6100
Power consumption (TDP)
65 Watt
15 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x1
Supplementary power connectors
None
None
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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GeForce GT 640 has 333% more power consumption, than Iris Graphics 6100.
GeForce GT 640 is connected by PCIe 3.0 x16, and Iris Graphics 6100 uses PCIe 2.0 x1 interface.
GeForce GT 640 is used in Desktops, and Iris Graphics 6100 - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Iris Graphics 6100 - with Gen. 8 Broadwell.
Core clock speed of GeForce GT 640 is 602 MHz higher, than Iris Graphics 6100.
GeForce GT 640 is manufactured by 28 nm process technology, and Iris Graphics 6100 - 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
2−3
4−5
ultra / 1080p
1−2
3−4
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
5−6
5−6
GeForce GT 640 and Iris Graphics 6100 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
7−8
−
ultra / 1080p
5−6
7−8
QHD / 1440p
0−1
0−1
low / 720p
20−22
18−20
medium / 1080p
7−8
8−9
GeForce GT 640 and Iris Graphics 6100 have the same average FPS in Battlefield 5.
low / 768p
50−55
45−50
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Graphics 6100 in Call of Duty: Warzone is 4% more, than GeForce GT 640.
low / 768p
110−120
110−120
medium / 768p
90−95
85−90
ultra / 1080p
45−50
40−45
QHD / 1440p
24−27
24−27
4K / 2160p
18−20
−
high / 768p
65−70
60−65
The average gaming FPS of GeForce GT 640 in Counter-Strike: Global Offensive is 4% more, than Iris Graphics 6100.
low / 768p
70−75
55−60
ultra / 1080p
21−24
14−16
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 17% more, than Iris Graphics 6100.
low / 768p
70−75
70−75
medium / 768p
50−55
45−50
ultra / 1080p
27−30
24−27
The average gaming FPS of GeForce GT 640 in Dota 2 is 6% more, than Iris Graphics 6100.
high / 1080p
3−4
6−7
ultra / 1080p
3−4
5−6
4K / 2160p
2−3
3−4
low / 720p
14−16
12−14
medium / 1080p
4−5
6−7
The average gaming FPS of Iris Graphics 6100 in Far Cry 5 is 40% more, than GeForce GT 640.
high / 1080p
10−12
12−14
ultra / 1080p
5−6
8−9
QHD / 1440p
2−3
−
low / 720p
50−55
50−55
medium / 1080p
16−18
14−16
The average gaming FPS of Iris Graphics 6100 in Fortnite is 4% more, than GeForce GT 640.
high / 1080p
6−7
9−10
ultra / 1080p
−
9−10
QHD / 1440p
4−5
0−1
4K / 2160p
2−3
−
low / 720p
21−24
18−20
medium / 1080p
9−10
10−11
The average gaming FPS of Iris Graphics 6100 in Forza Horizon 4 is 8% more, than GeForce GT 640.
low / 768p
45−50
40−45
medium / 768p
−
35−40
high / 1080p
7−8
8−9
ultra / 1080p
3−4
5−6
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of GeForce GT 640 in Grand Theft Auto V is 5% more, than Iris Graphics 6100.
high / 1080p
2−3
3−4
ultra / 1080p
0−1
2−3
4K / 2160p
0−1
0−1
low / 720p
8−9
8−9
medium / 1080p
4−5
5−6
GeForce GT 640 and Iris Graphics 6100 have the same average FPS in Metro Exodus.
low / 768p
80−85
90−95
high / 1080p
−
80−85
ultra / 1080p
70−75
70−75
The average gaming FPS of Iris Graphics 6100 in Minecraft is 6% more, than GeForce GT 640.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
27−30
24−27
medium / 1080p
14−16
16−18
The average gaming FPS of Iris Graphics 6100 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than GeForce GT 640.
high / 1080p
6−7
−
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
7−8
8−9
The average gaming FPS of Iris Graphics 6100 in Red Dead Redemption 2 is 33% more, than GeForce GT 640.
low / 768p
14−16
18−20
medium / 768p
10−11
12−14
high / 1080p
5−6
7−8
ultra / 1080p
4−5
5−6
4K / 2160p
0−1
−
The average gaming FPS of Iris Graphics 6100 in The Witcher 3: Wild Hunt is 37% more, than GeForce GT 640.
low / 768p
70−75
80−85
medium / 768p
35−40
35−40
ultra / 1080p
16−18
14−16
high / 768p
30−35
30−35
The average gaming FPS of Iris Graphics 6100 in World of Tanks is 5% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Iris Graphics 6100
Architecture
Kepler
Gen. 8 Broadwell
Code name
GK107
Broadwell GT3
Type
Desktop
Laptop
Release date
5 June 2012
5 January 2015
Pipelines
384
48
Core clock speed
902 MHz
300 MHz
Boost Clock
1100 MHz
Transistor count
1,270 million
189 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
28.86
52.80
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1782 MHz
Memory bandwidth
28.51 GB/s
Shared memory
+
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.4
OpenCL
1.2
2.0
Vulkan
1.1.126
1.1.80
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
Quick Sync
+
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