Iris Graphics 540 vs Mobility Radeon HD 3870 X2
If you are going to buy a new graphics card and are choosing between Iris Graphics 540 and Mobility Radeon HD 3870 X2, 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 Graphics 540 stacks up against Mobility Radeon HD 3870 X2, check out specs charts below.
Iris Graphics 540 and Mobility Radeon HD 3870 X2 are Laptop Graphics Cards
Note: Iris Graphics 540 and Mobility Radeon HD 3870 X2 are only used in laptop graphics. They have 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 540 or Mobility Radeon HD 3870 X2 here:
Main Specs
Iris Graphics 540
Mobility Radeon HD 3870 X2
Power consumption (TDP)
15 Watt
110 Watt
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Memory type
eDRAM
GDDR3
Maximum RAM amount
64 MB
512 MB
Display Connectors
No outputs
No outputs
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Mobility Radeon HD 3870 X2 has 633% more power consumption, than Iris Graphics 540.
Iris Graphics 540 is connected by PCIe 3.0 x1, and Mobility Radeon HD 3870 X2 uses PCIe 2.0 x16 interface.
Mobility Radeon HD 3870 X2 has 448 GB more memory, than Iris Graphics 540.
Both cards are used in Laptops.
Iris Graphics 540 is build with Gen. 9 Skylake architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
Core clock speed of Mobility Radeon HD 3870 X2 is 360 MHz higher, than Iris Graphics 540.
Iris Graphics 540 is manufactured by 14 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 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
8−9
6−7
ultra / 1080p
5−6
4−5
QHD / 1440p
0−1
0−1
low / 720p
20−22
16−18
medium / 1080p
10−12
8−9
The average gaming FPS of Iris Graphics 540 in Assassin's Creed Odyssey is 22% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
12−14
ultra / 1080p
12−14
10−11
QHD / 1440p
0−1
0−1
low / 720p
30−35
24−27
medium / 1080p
16−18
12−14
The average gaming FPS of Iris Graphics 540 in Battlefield 5 is 26% more, than Mobility Radeon HD 3870 X2.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Iris Graphics 540 and Mobility Radeon HD 3870 X2 have the same average FPS in Call of Duty: Warzone.
low / 768p
150−160
130−140
medium / 768p
130−140
110−120
ultra / 1080p
65−70
50−55
QHD / 1440p
35−40
27−30
4K / 2160p
27−30
27−30
high / 768p
95−100
80−85
The average gaming FPS of Iris Graphics 540 in Counter-Strike: Global Offensive is 17% more, than Mobility Radeon HD 3870 X2.
low / 768p
55−60
55−60
ultra / 1080p
24−27
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Graphics 540 in Cyberpunk 2077 is 4% more, than Mobility Radeon HD 3870 X2.
low / 768p
85−90
80−85
medium / 768p
65−70
55−60
ultra / 1080p
40−45
30−35
The average gaming FPS of Iris Graphics 540 in Dota 2 is 14% more, than Mobility Radeon HD 3870 X2.
high / 1080p
10−11
8−9
ultra / 1080p
9−10
7−8
4K / 2160p
4−5
3−4
low / 720p
24−27
18−20
medium / 1080p
10−12
8−9
The average gaming FPS of Iris Graphics 540 in Far Cry 5 is 33% more, than Mobility Radeon HD 3870 X2.
high / 1080p
16−18
14−16
ultra / 1080p
12−14
10−11
low / 720p
70−75
60−65
medium / 1080p
30−33
21−24
The average gaming FPS of Iris Graphics 540 in Fortnite is 22% more, than Mobility Radeon HD 3870 X2.
high / 1080p
14−16
12−14
ultra / 1080p
12−14
10−12
QHD / 1440p
3−4
1−2
low / 720p
30−35
24−27
medium / 1080p
16−18
14−16
The average gaming FPS of Iris Graphics 540 in Forza Horizon 4 is 23% more, than Mobility Radeon HD 3870 X2.
low / 768p
60−65
50−55
medium / 768p
50−55
45−50
high / 1080p
16−18
12−14
ultra / 1080p
8−9
6−7
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Graphics 540 in Grand Theft Auto V is 20% more, than Mobility Radeon HD 3870 X2.
high / 1080p
6−7
4−5
ultra / 1080p
4−5
3−4
4K / 2160p
1−2
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
6−7
The average gaming FPS of Iris Graphics 540 in Metro Exodus is 50% more, than Mobility Radeon HD 3870 X2.
low / 768p
95−100
95−100
high / 1080p
95−100
85−90
ultra / 1080p
85−90
80−85
medium / 1080p
95−100
90−95
The average gaming FPS of Iris Graphics 540 in Minecraft is 5% more, than Mobility Radeon HD 3870 X2.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
14−16
low / 720p
35−40
30−35
medium / 1080p
18−20
18−20
The average gaming FPS of Iris Graphics 540 in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Mobility Radeon HD 3870 X2.
high / 1080p
12−14
−
ultra / 1080p
8−9
7−8
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
12−14
10−12
The average gaming FPS of Iris Graphics 540 in Red Dead Redemption 2 is 20% more, than Mobility Radeon HD 3870 X2.
low / 768p
30−35
24−27
medium / 768p
21−24
16−18
high / 1080p
10−12
9−10
ultra / 1080p
7−8
6−7
4K / 2160p
6−7
6−7
The average gaming FPS of Iris Graphics 540 in The Witcher 3: Wild Hunt is 23% more, than Mobility Radeon HD 3870 X2.
low / 768p
90−95
85−90
medium / 768p
50−55
45−50
ultra / 1080p
24−27
18−20
high / 768p
40−45
35−40
The average gaming FPS of Iris Graphics 540 in World of Tanks is 12% more, than Mobility Radeon HD 3870 X2.
Full Specs
Iris Graphics 540
Mobility Radeon HD 3870 X2
Architecture
Gen. 9 Skylake
RV6xx
Code name
Skylake GT3e
M88-XT CF
Type
Laptop
Laptop
Release date
1 September 2015
1 September 2008
Pipelines
48
640
Core clock speed
300 MHz
660 MHz
Boost Clock
1050 MHz
Transistor count
189 million
666 million
Manufacturing process technology
14 nm
55 nm
Texture fill rate
50.40
10.56
Floating-point performance
2x 422.4 gflops
Memory bus width
256 Bit
Memory clock speed
850 MHz
Memory bandwidth
54.4 GB/s
Shared memory
+
-
DirectX
12 (12_1)
10.1 (10_1)
Shader Model
6.4
4.1
OpenGL
4.6
3.3
OpenCL
2.1
N/A
Vulkan
1.1.97
N/A
Laptop size
large
Quick Sync
+
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