Radeon HD 6740G2 vs Radeon HD 7970M
If you are going to buy a new graphics card and are choosing between Radeon HD 6740G2 and Radeon HD 7970M, 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 Radeon HD 6740G2 stacks up against Radeon HD 7970M, check out specs charts below.
Radeon HD 6740G2 and Radeon HD 7970M are Laptop Graphics Cards
Note: Radeon HD 6740G2 and Radeon HD 7970M 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 Radeon HD 6740G2 or Radeon HD 7970M here:
Main Specs
Radeon HD 6740G2
Radeon HD 7970M
Power consumption (TDP)
100 Watt
Interface
MXM-B (3.0)
Supplementary power connectors
None
Memory type
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Both cards are used in Laptops.
Radeon HD 6740G2 is build with Terascale 2 architecture, and Radeon HD 7970M - with GCN.
Radeon HD 6740G2 is manufactured by 40 nm process technology, and Radeon HD 7970M - 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
0−1
18−20
ultra / 1080p
0−1
10−12
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
10−12
35−40
medium / 1080p
2−3
21−24
The average gaming FPS of Radeon HD 7970M in Assassin's Creed Odyssey is 400% more, than Radeon HD 6740G2.
high / 1080p
−
27−30
ultra / 1080p
3−4
24−27
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
12−14
60−65
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon HD 7970M in Battlefield 5 is 471% more, than Radeon HD 6740G2.
low / 768p
50−55
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon HD 6740G2 and Radeon HD 7970M have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
220−230
medium / 768p
85−90
190−200
ultra / 1080p
35−40
110−120
QHD / 1440p
−
75−80
4K / 2160p
10−11
40−45
high / 768p
60−65
160−170
The average gaming FPS of Radeon HD 7970M in Counter-Strike: Global Offensive is 138% more, than Radeon HD 6740G2.
low / 768p
70−75
60−65
ultra / 1080p
12−14
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7970M in Cyberpunk 2077 is 25% more, than Radeon HD 6740G2.
low / 768p
70−75
110−120
medium / 768p
40−45
100−110
ultra / 1080p
18−20
75−80
The average gaming FPS of Radeon HD 7970M in Dota 2 is 125% more, than Radeon HD 6740G2.
high / 1080p
2−3
21−24
ultra / 1080p
2−3
20−22
QHD / 1440p
−
18−20
4K / 2160p
0−1
7−8
low / 720p
9−10
45−50
medium / 1080p
3−4
24−27
The average gaming FPS of Radeon HD 7970M in Far Cry 5 is 625% more, than Radeon HD 6740G2.
high / 1080p
−
30−33
ultra / 1080p
5−6
21−24
QHD / 1440p
1−2
14−16
low / 720p
45−50
110−120
medium / 1080p
7−8
65−70
The average gaming FPS of Radeon HD 7970M in Fortnite is 266% more, than Radeon HD 6740G2.
high / 1080p
2−3
30−35
ultra / 1080p
−
24−27
QHD / 1440p
0−1
12−14
4K / 2160p
−
12−14
low / 720p
14−16
60−65
medium / 1080p
5−6
35−40
The average gaming FPS of Radeon HD 7970M in Forza Horizon 4 is 528% more, than Radeon HD 6740G2.
low / 768p
40−45
95−100
medium / 768p
−
85−90
high / 1080p
3−4
35−40
ultra / 1080p
2−3
14−16
QHD / 1440p
0−1
5−6
medium / 720p
35−40
−
The average gaming FPS of Radeon HD 7970M in Grand Theft Auto V is 212% more, than Radeon HD 6740G2.
high / 1080p
1−2
12−14
ultra / 1080p
0−1
9−10
4K / 2160p
0−1
2−3
low / 720p
2−3
35−40
medium / 1080p
2−3
16−18
The average gaming FPS of Radeon HD 7970M in Metro Exodus is 1000% more, than Radeon HD 6740G2.
low / 768p
85−90
110−120
high / 1080p
55−60
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon HD 7970M in Minecraft is 32% more, than Radeon HD 6740G2.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
24−27
65−70
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7970M in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than Radeon HD 6740G2.
high / 1080p
−
14−16
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
0−1
low / 720p
4−5
35−40
medium / 1080p
−
18−20
The average gaming FPS of Radeon HD 7970M in Red Dead Redemption 2 is 475% more, than Radeon HD 6740G2.
low / 768p
7−8
65−70
medium / 768p
6−7
40−45
high / 1080p
3−4
21−24
ultra / 1080p
−
12−14
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon HD 7970M in The Witcher 3: Wild Hunt is 780% more, than Radeon HD 6740G2.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
12−14
40−45
high / 768p
30−33
55−60
The average gaming FPS of Radeon HD 7970M in World of Tanks is 65% more, than Radeon HD 6740G2.
Full Specs
Radeon HD 6740G2
Radeon HD 7970M
Architecture
Terascale 2
GCN
Code name
Wimbledon XT
Type
Laptop
Laptop
Release date
14 June 2011
1 May 2012
Pipelines
880
1280
Core clock speed
850 MHz
Transistor count
2,800 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
68.00
Floating-point performance
2,176 gflops
Memory bus width
256 Bit
Memory clock speed
4800 MHz
Memory bandwidth
153.6 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
12 (11_1)
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
Bitcoin / BTC (SHA256)
254 Mh/s
Laptop size
medium sized
large
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