Iris Plus Graphics 640 vs Radeon HD 6870
If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 640 and Radeon HD 6870, 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 640 stacks up against Radeon HD 6870, check out specs charts below.
Iris Plus Graphics 640 is a Laptop Graphics Card
Note: Iris Plus Graphics 640 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 640 here:
Main Specs
Iris Plus Graphics 640
Radeon HD 6870
Power consumption (TDP)
15 Watt
151 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
1 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6870 has 906% more power consumption, than Iris Plus Graphics 640.
Iris Plus Graphics 640 is connected by PCIe 3.0 x1, and Radeon HD 6870 uses PCIe 2.0 x16 interface.
Iris Plus Graphics 640 has 31 GB more memory, than Radeon HD 6870.
Iris Plus Graphics 640 is used in Laptops, and Radeon HD 6870 - in Desktops.
Iris Plus Graphics 640 is build with Gen. 9.5 Kaby Lake architecture, and Radeon HD 6870 - with Terascale 2.
Iris Plus Graphics 640 is manufactured by 14 nm process technology, and Radeon HD 6870 - 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
6−7
10−12
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
1−2
low / 720p
16−18
24−27
medium / 1080p
8−9
12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 55% more, than Iris Plus Graphics 640.
high / 1080p
12−14
18−20
ultra / 1080p
10−11
14−16
QHD / 1440p
0−1
1−2
low / 720p
24−27
35−40
medium / 1080p
12−14
20−22
The average gaming FPS of Radeon HD 6870 in Battlefield 5 is 53% more, than Iris Plus Graphics 640.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Iris Plus Graphics 640 and Radeon HD 6870 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
180−190
medium / 768p
110−120
140−150
ultra / 1080p
50−55
75−80
QHD / 1440p
27−30
40−45
4K / 2160p
27−30
30−33
high / 768p
80−85
110−120
The average gaming FPS of Radeon HD 6870 in Counter-Strike: Global Offensive is 35% more, than Iris Plus Graphics 640.
low / 768p
55−60
55−60
ultra / 1080p
18−20
30−33
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6870 in Cyberpunk 2077 is 9% more, than Iris Plus Graphics 640.
low / 768p
80−85
95−100
medium / 768p
55−60
75−80
ultra / 1080p
30−35
50−55
The average gaming FPS of Radeon HD 6870 in Dota 2 is 31% more, than Iris Plus Graphics 640.
high / 1080p
8−9
12−14
ultra / 1080p
7−8
12−14
4K / 2160p
3−4
5−6
low / 720p
18−20
27−30
medium / 1080p
8−9
14−16
The average gaming FPS of Radeon HD 6870 in Far Cry 5 is 66% more, than Iris Plus Graphics 640.
high / 1080p
14−16
20−22
ultra / 1080p
10−11
14−16
low / 720p
60−65
80−85
medium / 1080p
21−24
35−40
The average gaming FPS of Radeon HD 6870 in Fortnite is 44% more, than Iris Plus Graphics 640.
high / 1080p
12−14
18−20
ultra / 1080p
10−12
14−16
QHD / 1440p
1−2
5−6
low / 720p
24−27
40−45
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon HD 6870 in Forza Horizon 4 is 53% more, than Iris Plus Graphics 640.
low / 768p
50−55
70−75
medium / 768p
45−50
60−65
high / 1080p
12−14
21−24
ultra / 1080p
6−7
9−10
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6870 in Grand Theft Auto V is 41% more, than Iris Plus Graphics 640.
high / 1080p
4−5
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
1−2
low / 720p
12−14
21−24
medium / 1080p
6−7
9−10
The average gaming FPS of Radeon HD 6870 in Metro Exodus is 83% more, than Iris Plus Graphics 640.
low / 768p
95−100
100−110
high / 1080p
90−95
−
ultra / 1080p
80−85
90−95
medium / 1080p
90−95
100−105
The average gaming FPS of Radeon HD 6870 in Minecraft is 11% more, than Iris Plus Graphics 640.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
16−18
low / 720p
30−35
45−50
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon HD 6870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 30% more, than Iris Plus Graphics 640.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
12−14
20−22
medium / 1080p
10−12
12−14
The average gaming FPS of Radeon HD 6870 in Red Dead Redemption 2 is 40% more, than Iris Plus Graphics 640.
low / 768p
24−27
40−45
medium / 768p
16−18
24−27
high / 1080p
9−10
14−16
ultra / 1080p
6−7
8−9
4K / 2160p
6−7
7−8
The average gaming FPS of Radeon HD 6870 in The Witcher 3: Wild Hunt is 46% more, than Iris Plus Graphics 640.
low / 768p
85−90
95−100
medium / 768p
45−50
55−60
ultra / 1080p
18−20
27−30
high / 768p
35−40
45−50
The average gaming FPS of Radeon HD 6870 in World of Tanks is 21% more, than Iris Plus Graphics 640.
Full Specs
Iris Plus Graphics 640
Radeon HD 6870
Architecture
Gen. 9.5 Kaby Lake
Terascale 2
Code name
Kaby Lake GT3e
RV940 Barts
Type
Laptop
Desktop
Release date
3 January 2017
22 October 2010
Pipelines
48
1120
Core clock speed
300 MHz
Boost Clock
1050 MHz
900 MHz
Transistor count
189 million
1,700 million
Manufacturing process technology
14 nm
40 nm
Texture fill rate
52.80
50.40
Floating-point performance
2,016.0 gflops
Length
220 mm
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
1050 MHz
Memory bandwidth
134.4 GB/s
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)
213 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
Quick Sync
+
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