Radeon HD 6740G2 vs Radeon HD 7990
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6740G2 and Radeon HD 7990. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6740G2 and Radeon HD 7990. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon HD 6740G2 is a Laptop Graphics Card
Note: Radeon HD 6740G2 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 Radeon HD 6740G2 here:
Main Specs
Radeon HD 6740G2
Radeon HD 7990
Power consumption (TDP)
375 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
Maximum RAM amount
3 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 6740G2 is used in Laptops, and Radeon HD 7990 - in Desktops.
Radeon HD 6740G2 is build with Terascale 2 architecture, and Radeon HD 7990 - with GCN 1.0.
Radeon HD 6740G2 is manufactured by 40 nm process technology, and Radeon HD 7990 - 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
35−40
ultra / 1080p
0−1
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
10−12
60−65
medium / 1080p
2−3
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 766% more, than Radeon HD 6740G2.
high / 1080p
−
55−60
ultra / 1080p
3−4
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
12−14
100−110
medium / 1080p
4−5
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 914% 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 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
250−260
medium / 768p
85−90
220−230
ultra / 1080p
35−40
180−190
QHD / 1440p
−
110−120
4K / 2160p
10−11
70−75
high / 768p
60−65
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 206% more, than Radeon HD 6740G2.
low / 768p
70−75
60−65
ultra / 1080p
12−14
−
medium / 1080p
45−50
55−60
Radeon HD 6740G2 and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
120−130
medium / 768p
40−45
110−120
ultra / 1080p
18−20
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 161% more, than Radeon HD 6740G2.
high / 1080p
2−3
45−50
ultra / 1080p
2−3
40−45
QHD / 1440p
−
27−30
4K / 2160p
0−1
14−16
low / 720p
9−10
80−85
medium / 1080p
3−4
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 1275% more, than Radeon HD 6740G2.
high / 1080p
−
60−65
ultra / 1080p
5−6
45−50
QHD / 1440p
1−2
27−30
4K / 2160p
−
27−30
low / 720p
45−50
180−190
medium / 1080p
7−8
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 526% more, than Radeon HD 6740G2.
high / 1080p
2−3
60−65
ultra / 1080p
−
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
14−16
100−110
medium / 1080p
5−6
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 1014% more, than Radeon HD 6740G2.
low / 768p
40−45
140−150
medium / 768p
−
120−130
high / 1080p
3−4
70−75
ultra / 1080p
2−3
30−35
QHD / 1440p
0−1
21−24
medium / 720p
35−40
−
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 418% more, than Radeon HD 6740G2.
high / 1080p
1−2
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
2−3
65−70
medium / 1080p
2−3
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 1950% more, than Radeon HD 6740G2.
low / 768p
85−90
130−140
high / 1080p
55−60
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 55% more, than Radeon HD 6740G2.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
24−27
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 170% more, than Radeon HD 6740G2.
high / 1080p
−
24−27
ultra / 1080p
3−4
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
4−5
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 950% more, than Radeon HD 6740G2.
low / 768p
7−8
130−140
medium / 768p
6−7
85−90
high / 1080p
3−4
45−50
ultra / 1080p
−
24−27
4K / 2160p
0−1
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 1700% more, than Radeon HD 6740G2.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
12−14
50−55
high / 768p
30−33
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 76% more, than Radeon HD 6740G2.
Full Specs
Radeon HD 6740G2
Radeon HD 7990
Architecture
Terascale 2
GCN 1.0
Code name
Malta
Type
Laptop
Desktop
Release date
14 June 2011
24 April 2013
Pipelines
880
2048
Core clock speed
950 MHz
Boost Clock
1000 MHz
Transistor count
4,313 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
128.0
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
384 Bit
Memory clock speed
6000 MHz
Memory bandwidth
288.0 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)
459 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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