Iris Plus Graphics 645 vs Quadro K4000
If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 645 and Quadro K4000, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Plus Graphics 645 stacks up against Quadro K4000, check out specs charts below.
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
Iris Plus Graphics 645
Quadro K4000
Power consumption (TDP)
15 Watt
80 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
3 GB
Display Connectors
No outputs
1x DVI, 2x DisplayPort
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Quadro K4000 has 433% more power consumption, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Quadro K4000 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 645 is used in Laptops, and Quadro K4000 - in Desktops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Quadro K4000 - with Kepler.
Core clock speed of Quadro K4000 is 510 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Quadro K4000 - by 28 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
4−5
14−16
ultra / 1080p
2−3
8−9
QHD / 1440p
0−1
3−4
low / 720p
12−14
27−30
medium / 1080p
5−6
16−18
The average gaming FPS of Quadro K4000 in Assassin's Creed Odyssey is 183% more, than Iris Plus Graphics 645.
high / 1080p
−
21−24
ultra / 1080p
7−8
18−20
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
16−18
45−50
medium / 1080p
8−9
24−27
The average gaming FPS of Quadro K4000 in Battlefield 5 is 172% 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 Quadro K4000 have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
200−210
medium / 768p
80−85
170−180
ultra / 1080p
35−40
90−95
QHD / 1440p
24−27
50−55
4K / 2160p
−
30−33
high / 768p
60−65
130−140
The average gaming FPS of Quadro K4000 in Counter-Strike: Global Offensive is 112% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
12−14
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Quadro K4000 in Cyberpunk 2077 is 20% more, than Iris Plus Graphics 645.
low / 768p
65−70
100−110
medium / 768p
45−50
90−95
ultra / 1080p
21−24
55−60
The average gaming FPS of Quadro K4000 in Dota 2 is 88% more, than Iris Plus Graphics 645.
high / 1080p
5−6
16−18
ultra / 1080p
5−6
14−16
4K / 2160p
3−4
5−6
low / 720p
12−14
35−40
medium / 1080p
5−6
16−18
The average gaming FPS of Quadro K4000 in Far Cry 5 is 200% more, than Iris Plus Graphics 645.
high / 1080p
12−14
21−24
ultra / 1080p
8−9
18−20
QHD / 1440p
−
16−18
low / 720p
45−50
90−95
medium / 1080p
12−14
45−50
The average gaming FPS of Quadro K4000 in Fortnite is 125% more, than Iris Plus Graphics 645.
high / 1080p
8−9
21−24
ultra / 1080p
−
18−20
QHD / 1440p
0−1
7−8
low / 720p
16−18
45−50
medium / 1080p
9−10
24−27
The average gaming FPS of Quadro K4000 in Forza Horizon 4 is 181% more, than Iris Plus Graphics 645.
low / 768p
40−45
80−85
medium / 768p
35−40
70−75
high / 1080p
7−8
27−30
ultra / 1080p
5−6
10−12
QHD / 1440p
0−1
2−3
The average gaming FPS of Quadro K4000 in Grand Theft Auto V is 108% more, than Iris Plus Graphics 645.
high / 1080p
3−4
9−10
ultra / 1080p
2−3
7−8
4K / 2160p
0−1
2−3
low / 720p
7−8
24−27
medium / 1080p
4−5
12−14
The average gaming FPS of Quadro K4000 in Metro Exodus is 225% more, than Iris Plus Graphics 645.
low / 768p
85−90
110−120
high / 1080p
80−85
−
ultra / 1080p
70−75
100−110
medium / 1080p
−
100−110
The average gaming FPS of Quadro K4000 in Minecraft is 37% more, than Iris Plus Graphics 645.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
16−18
low / 720p
24−27
50−55
medium / 1080p
16−18
21−24
The average gaming FPS of Quadro K4000 in PLAYERUNKNOWN'S BATTLEGROUNDS is 55% more, than Iris Plus Graphics 645.
high / 1080p
−
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
0−1
0−1
low / 720p
7−8
24−27
medium / 1080p
−
14−16
The average gaming FPS of Quadro K4000 in Red Dead Redemption 2 is 142% more, than Iris Plus Graphics 645.
low / 768p
16−18
50−55
medium / 768p
12−14
30−35
high / 1080p
6−7
16−18
ultra / 1080p
5−6
10−11
4K / 2160p
−
8−9
The average gaming FPS of Quadro K4000 in The Witcher 3: Wild Hunt is 180% more, than Iris Plus Graphics 645.
low / 768p
80−85
100−105
medium / 768p
35−40
60−65
ultra / 1080p
14−16
30−35
high / 768p
30−33
50−55
The average gaming FPS of Quadro K4000 in World of Tanks is 51% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Quadro K4000
Architecture
Gen. 9.5 Coffee Lake
Kepler
Code name
Kaby Lake GT3e
GK106
Type
Laptop
Workstation
Release date
10 July 2019
1 March 2013
Pipelines
48
768
Core clock speed
300 MHz
810 MHz
Boost Clock
1150 MHz
Transistor count
2,540 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
51.84
Floating-point performance
1,244 gflops
Length
241 mm
Memory bus width
192 Bit
Memory clock speed
5616 MHz
Memory bandwidth
134.8 GB/s
Shared memory
+
DirectX
12 (12_1)
12 (11_0)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.1.103
1.1.126
CUDA
3.0
Monero / XMR (CryptoNight)
0.21 kh/s
Bitcoin / BTC (SHA256)
61 Mh/s
Quick Sync
+
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