Iris Graphics 540 vs Radeon HD 7970
If you are going to buy a new graphics card and are choosing between Iris Graphics 540 and Radeon HD 7970, 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 Radeon HD 7970, check out specs charts below.
Iris Graphics 540 is a Laptop Graphics Card
Note: Iris Graphics 540 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 540 here:
Main Specs
Iris Graphics 540
Radeon HD 7970
Power consumption (TDP)
15 Watt
300 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
Memory type
eDRAM
GDDR5
Maximum RAM amount
64 MB
3 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7970 has 1900% more power consumption, than Iris Graphics 540.
Iris Graphics 540 is connected by PCIe 3.0 x1, and Radeon HD 7970 uses PCIe 3.0 x16 interface.
Iris Graphics 540 has 61 GB more memory, than Radeon HD 7970.
Iris Graphics 540 is used in Laptops, and Radeon HD 7970 - in Desktops.
Iris Graphics 540 is build with Gen. 9 Skylake architecture, and Radeon HD 7970 - with GCN.
Iris Graphics 540 is manufactured by 14 nm process technology, and Radeon HD 7970 - 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
8−9
35−40
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
20−22
60−65
medium / 1080p
10−12
40−45
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 272% more, than Iris Graphics 540.
high / 1080p
14−16
55−60
ultra / 1080p
12−14
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
30−35
100−110
medium / 1080p
16−18
60−65
The average gaming FPS of Radeon HD 7970 in Battlefield 5 is 257% more, than Iris Graphics 540.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7970 in Call of Duty: Warzone is 10% more, than Iris Graphics 540.
low / 768p
150−160
250−260
medium / 768p
130−140
220−230
ultra / 1080p
65−70
180−190
QHD / 1440p
35−40
110−120
4K / 2160p
27−30
70−75
high / 768p
95−100
210−220
The average gaming FPS of Radeon HD 7970 in Counter-Strike: Global Offensive is 105% more, than Iris Graphics 540.
low / 768p
55−60
60−65
ultra / 1080p
24−27
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7970 in Cyberpunk 2077 is 15% more, than Iris Graphics 540.
low / 768p
85−90
120−130
medium / 768p
65−70
110−120
ultra / 1080p
40−45
100−110
The average gaming FPS of Radeon HD 7970 in Dota 2 is 76% more, than Iris Graphics 540.
high / 1080p
10−11
45−50
ultra / 1080p
9−10
40−45
QHD / 1440p
−
27−30
4K / 2160p
4−5
14−16
low / 720p
24−27
80−85
medium / 1080p
10−12
45−50
The average gaming FPS of Radeon HD 7970 in Far Cry 5 is 291% more, than Iris Graphics 540.
high / 1080p
16−18
60−65
ultra / 1080p
12−14
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
70−75
180−190
medium / 1080p
30−33
110−120
The average gaming FPS of Radeon HD 7970 in Fortnite is 209% more, than Iris Graphics 540.
high / 1080p
14−16
60−65
ultra / 1080p
12−14
45−50
QHD / 1440p
3−4
30−35
4K / 2160p
−
24−27
low / 720p
30−35
100−110
medium / 1080p
16−18
65−70
The average gaming FPS of Radeon HD 7970 in Forza Horizon 4 is 293% more, than Iris Graphics 540.
low / 768p
60−65
140−150
medium / 768p
50−55
120−130
high / 1080p
16−18
70−75
ultra / 1080p
8−9
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 7970 in Grand Theft Auto V is 165% more, than Iris Graphics 540.
high / 1080p
6−7
24−27
ultra / 1080p
4−5
20−22
QHD / 1440p
−
16−18
4K / 2160p
1−2
8−9
low / 720p
16−18
65−70
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon HD 7970 in Metro Exodus is 342% more, than Iris Graphics 540.
low / 768p
95−100
130−140
high / 1080p
95−100
−
ultra / 1080p
85−90
−
medium / 1080p
95−100
120−130
The average gaming FPS of Radeon HD 7970 in Minecraft is 34% more, than Iris Graphics 540.
high / 1080p
18−20
−
ultra / 1080p
14−16
14−16
low / 720p
35−40
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7970 in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Iris Graphics 540.
high / 1080p
12−14
24−27
ultra / 1080p
8−9
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
16−18
65−70
medium / 1080p
12−14
35−40
The average gaming FPS of Radeon HD 7970 in Red Dead Redemption 2 is 200% more, than Iris Graphics 540.
low / 768p
30−35
130−140
medium / 768p
21−24
85−90
high / 1080p
10−12
45−50
ultra / 1080p
7−8
24−27
4K / 2160p
6−7
16−18
The average gaming FPS of Radeon HD 7970 in The Witcher 3: Wild Hunt is 287% more, than Iris Graphics 540.
low / 768p
90−95
90−95
medium / 768p
50−55
60−65
ultra / 1080p
24−27
50−55
high / 768p
40−45
60−65
The average gaming FPS of Radeon HD 7970 in World of Tanks is 26% more, than Iris Graphics 540.
Full Specs
Iris Graphics 540
Radeon HD 7970
Architecture
Gen. 9 Skylake
GCN
Code name
Skylake GT3e
Tahiti XT
Type
Laptop
Desktop
Release date
1 September 2015
22 December 2011
Pipelines
48
2048
Core clock speed
300 MHz
Boost Clock
1050 MHz
925 MHz
Transistor count
189 million
4,313 million
Manufacturing process technology
14 nm
28 nm
Texture fill rate
50.40
118.4
Floating-point performance
3,789 gflops
Length
274 mm
Memory bus width
384 Bit
Memory clock speed
1375 MHz
Memory bandwidth
264 GB/s
Shared memory
+
-
DirectX
12 (12_1)
Shader Model
6.4
5.1
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.1.97
FreeSync
+
Bus support
PCIe 2.1 x16
HDMI
+
Bitcoin / BTC (SHA256)
485 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
Ethereum / ETH (DaggerHashimoto)
20.71 Mh/s
Quick Sync
+
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