Iris Plus Graphics 645 vs Radeon HD 6970
In this comparison between Iris Plus Graphics 645 and Radeon HD 6970 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Iris Plus Graphics 645 will be the best choice, for others Radeon HD 6970 will be their preference. Study the comparison tables below and make your choice.
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
Radeon HD 6970
Power consumption (TDP)
15 Watt
550 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
Memory type
DDR3/DDR4
DDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6970 has 3566% more power consumption, than Iris Plus Graphics 645.
Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon HD 6970 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 645 is used in Laptops, and Radeon HD 6970 - in Desktops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon HD 6970 - with Terascale 2.
Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon HD 6970 - by 40 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
9−10
QHD / 1440p
0−1
3−4
low / 720p
12−14
30−35
medium / 1080p
5−6
18−20
The average gaming FPS of Radeon HD 6970 in Assassin's Creed Odyssey is 216% more, than Iris Plus Graphics 645.
high / 1080p
−
24−27
ultra / 1080p
7−8
21−24
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
16−18
50−55
medium / 1080p
8−9
27−30
The average gaming FPS of Radeon HD 6970 in Battlefield 5 is 209% 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 HD 6970 have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
210−220
medium / 768p
80−85
180−190
ultra / 1080p
35−40
95−100
QHD / 1440p
24−27
50−55
4K / 2160p
−
30−33
high / 768p
60−65
140−150
The average gaming FPS of Radeon HD 6970 in Counter-Strike: Global Offensive is 124% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
12−14
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6970 in Cyberpunk 2077 is 25% more, than Iris Plus Graphics 645.
low / 768p
65−70
110−120
medium / 768p
45−50
90−95
ultra / 1080p
21−24
60−65
The average gaming FPS of Radeon HD 6970 in Dota 2 is 100% more, than Iris Plus Graphics 645.
high / 1080p
5−6
18−20
ultra / 1080p
5−6
16−18
4K / 2160p
3−4
6−7
low / 720p
12−14
35−40
medium / 1080p
5−6
18−20
The average gaming FPS of Radeon HD 6970 in Far Cry 5 is 216% more, than Iris Plus Graphics 645.
high / 1080p
12−14
24−27
ultra / 1080p
8−9
18−20
QHD / 1440p
−
16−18
low / 720p
45−50
95−100
medium / 1080p
12−14
50−55
The average gaming FPS of Radeon HD 6970 in Fortnite is 140% more, than Iris Plus Graphics 645.
high / 1080p
8−9
24−27
ultra / 1080p
−
20−22
QHD / 1440p
0−1
9−10
low / 720p
16−18
50−55
medium / 1080p
9−10
27−30
The average gaming FPS of Radeon HD 6970 in Forza Horizon 4 is 218% more, than Iris Plus Graphics 645.
low / 768p
40−45
85−90
medium / 768p
35−40
75−80
high / 1080p
7−8
30−33
ultra / 1080p
5−6
12−14
QHD / 1440p
0−1
3−4
The average gaming FPS of Radeon HD 6970 in Grand Theft Auto V is 126% 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
27−30
medium / 1080p
4−5
12−14
The average gaming FPS of Radeon HD 6970 in Metro Exodus is 250% 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 Radeon HD 6970 in Minecraft is 37% more, than Iris Plus Graphics 645.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
18−20
low / 720p
24−27
55−60
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 6970 in PLAYERUNKNOWN'S BATTLEGROUNDS is 72% 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
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon HD 6970 in Red Dead Redemption 2 is 171% more, than Iris Plus Graphics 645.
low / 768p
16−18
55−60
medium / 768p
12−14
30−35
high / 1080p
6−7
18−20
ultra / 1080p
5−6
10−12
4K / 2160p
−
8−9
The average gaming FPS of Radeon HD 6970 in The Witcher 3: Wild Hunt is 200% more, than Iris Plus Graphics 645.
low / 768p
80−85
100−110
medium / 768p
35−40
60−65
ultra / 1080p
14−16
35−40
high / 768p
30−33
50−55
The average gaming FPS of Radeon HD 6970 in World of Tanks is 56% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Radeon HD 6970
Architecture
Gen. 9.5 Coffee Lake
Terascale 2
Code name
Kaby Lake GT3e
Cayman
Type
Laptop
Desktop
Release date
10 July 2019
14 December 2010
Pipelines
48
1536
Core clock speed
300 MHz
Boost Clock
1150 MHz
880 MHz
Transistor count
2,640 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
50.40
84.48
Floating-point performance
2,703.4 gflops
Length
267 mm
Memory bus width
256 Bit
Memory clock speed
1375 MHz
Shared memory
+
DirectX
12 (12_1)
Shader Model
6.4
5.0
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.1.103
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
273 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
Quick Sync
+
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