Radeon HD 7970 vs Radeon HD 8790M
In this comparison between Radeon HD 7970 and Radeon HD 8790M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7970 will be the best choice, for others Radeon HD 8790M will be their preference. Study the comparison tables below and make your choice.
Radeon HD 8790M is a Laptop Graphics Card
Note: Radeon HD 8790M 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 8790M here:
Main Specs
Radeon HD 7970
Radeon HD 8790M
Power consumption (TDP)
300 Watt
Interface
PCIe 3.0 x16
MXM-A (3.0)
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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Radeon HD 7970 is connected by PCIe 3.0 x16, and Radeon HD 8790M uses MXM-A (3.0) interface.
Radeon HD 7970 has 1 GB more memory, than Radeon HD 8790M.
Radeon HD 7970 is used in Desktops, and Radeon HD 8790M - in Laptops.
Radeon HD 7970 and Radeon HD 8790M are build with GCN architecture.
Radeon HD 7970 and Radeon HD 8790M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 8790M is 3125 MHz higher, than Radeon HD 7970.
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
35−40
3−4
ultra / 1080p
21−24
1−2
QHD / 1440p
16−18
0−1
4K / 2160p
10−11
−
low / 720p
60−65
14−16
medium / 1080p
40−45
6−7
The average gaming FPS of Radeon HD 7970 in Assassin's Creed Odyssey is 583% more, than Radeon HD 8790M.
high / 1080p
55−60
8−9
ultra / 1080p
45−50
6−7
QHD / 1440p
35−40
0−1
4K / 2160p
18−20
−
low / 720p
100−110
21−24
medium / 1080p
60−65
9−10
The average gaming FPS of Radeon HD 7970 in Battlefield 5 is 518% more, than Radeon HD 8790M.
low / 768p
50−55
45−50
high / 1080p
−
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7970 in Call of Duty: Warzone is 10% more, than Radeon HD 8790M.
low / 768p
250−260
120−130
medium / 768p
220−230
100−110
ultra / 1080p
180−190
50−55
QHD / 1440p
110−120
24−27
4K / 2160p
70−75
−
high / 768p
210−220
75−80
The average gaming FPS of Radeon HD 7970 in Counter-Strike: Global Offensive is 158% more, than Radeon HD 8790M.
low / 768p
60−65
70−75
ultra / 1080p
−
21−24
medium / 1080p
55−60
40−45
The average gaming FPS of Radeon HD 7970 in Cyberpunk 2077 is 5% more, than Radeon HD 8790M.
low / 768p
120−130
75−80
medium / 768p
110−120
55−60
ultra / 1080p
100−110
30−35
The average gaming FPS of Radeon HD 7970 in Dota 2 is 109% more, than Radeon HD 8790M.
high / 1080p
45−50
4−5
ultra / 1080p
40−45
4−5
QHD / 1440p
27−30
−
4K / 2160p
14−16
1−2
low / 720p
80−85
14−16
medium / 1080p
45−50
6−7
The average gaming FPS of Radeon HD 7970 in Far Cry 5 is 683% more, than Radeon HD 8790M.
high / 1080p
60−65
12−14
ultra / 1080p
45−50
7−8
QHD / 1440p
27−30
4−5
4K / 2160p
27−30
−
low / 720p
180−190
60−65
medium / 1080p
110−120
18−20
The average gaming FPS of Radeon HD 7970 in Fortnite is 314% more, than Radeon HD 8790M.
high / 1080p
60−65
8−9
ultra / 1080p
45−50
7−8
QHD / 1440p
30−35
0−1
4K / 2160p
24−27
−
low / 720p
100−110
21−24
medium / 1080p
65−70
10−11
The average gaming FPS of Radeon HD 7970 in Forza Horizon 4 is 483% more, than Radeon HD 8790M.
low / 768p
140−150
50−55
medium / 768p
120−130
−
high / 1080p
70−75
10−11
ultra / 1080p
30−35
4−5
QHD / 1440p
21−24
0−1
medium / 720p
−
40−45
The average gaming FPS of Radeon HD 7970 in Grand Theft Auto V is 277% more, than Radeon HD 8790M.
high / 1080p
24−27
2−3
ultra / 1080p
20−22
0−1
QHD / 1440p
16−18
−
4K / 2160p
8−9
0−1
low / 720p
65−70
9−10
medium / 1080p
30−35
4−5
The average gaming FPS of Radeon HD 7970 in Metro Exodus is 720% more, than Radeon HD 8790M.
low / 768p
130−140
85−90
high / 1080p
−
70−75
medium / 1080p
120−130
−
The average gaming FPS of Radeon HD 7970 in Minecraft is 55% more, than Radeon HD 8790M.
ultra / 1080p
14−16
12−14
low / 720p
100−110
30−35
medium / 1080p
18−20
14−16
The average gaming FPS of Radeon HD 7970 in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon HD 8790M.
high / 1080p
24−27
7−8
ultra / 1080p
16−18
4−5
QHD / 1440p
10−11
0−1
4K / 2160p
7−8
−
low / 720p
65−70
8−9
medium / 1080p
35−40
8−9
The average gaming FPS of Radeon HD 7970 in Red Dead Redemption 2 is 414% more, than Radeon HD 8790M.
low / 768p
130−140
20−22
medium / 768p
85−90
12−14
high / 1080p
45−50
7−8
ultra / 1080p
24−27
5−6
4K / 2160p
16−18
1−2
The average gaming FPS of Radeon HD 7970 in The Witcher 3: Wild Hunt is 588% more, than Radeon HD 8790M.
low / 768p
90−95
75−80
medium / 768p
60−65
40−45
ultra / 1080p
50−55
18−20
high / 768p
60−65
30−35
The average gaming FPS of Radeon HD 7970 in World of Tanks is 59% more, than Radeon HD 8790M.
Full Specs
Radeon HD 7970
Radeon HD 8790M
Architecture
GCN
GCN
Code name
Tahiti XT
Mars XTX
Type
Desktop
Laptop
Release date
22 December 2011
16 November 2012
Pipelines
2048
384
Core clock speed
850 MHz
Boost Clock
925 MHz
900 MHz
Transistor count
4,313 million
950 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
118.4
21.60
Floating-point performance
3,789 gflops
691.2 gflops
Length
274 mm
Memory bus width
384 Bit
128 Bit
Memory clock speed
1375 MHz
4500 MHz
Memory bandwidth
264 GB/s
64 GB/s
Shared memory
-
-
DirectX
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2.131
FreeSync
+
Bus support
PCIe 2.1 x16
HDMI
+
Bitcoin / BTC (SHA256)
485 Mh/s
80 Mh/s
Laptop size
medium sized
Eyefinity
+
Design
reference
CrossFire
+
Ethereum / ETH (DaggerHashimoto)
20.71 Mh/s
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