Radeon HD 7970M vs Radeon R9 390X
If you are going to buy a new graphics card and are choosing between Radeon HD 7970M and Radeon R9 390X, 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 7970M stacks up against Radeon R9 390X, check out specs charts below.
Radeon HD 7970M is a Laptop Graphics Card
Note: Radeon HD 7970M 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 7970M here:
Main Specs
Radeon HD 7970M
Radeon R9 390X
Power consumption (TDP)
100 Watt
275 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
1 x 6-pin, 1 x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 390X has 175% more power consumption, than Radeon HD 7970M.
Radeon HD 7970M is connected by MXM-B (3.0), and Radeon R9 390X uses PCIe 3.0 x16 interface.
Radeon HD 7970M is used in Laptops, and Radeon R9 390X - in Desktops.
Radeon HD 7970M and Radeon R9 390X are build with GCN architecture.
Radeon HD 7970M and Radeon R9 390X are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7970M is 3750 MHz higher, than Radeon R9 390X.
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
18−20
50−55
ultra / 1080p
10−12
30−35
QHD / 1440p
5−6
24−27
4K / 2160p
4−5
14−16
low / 720p
35−40
75−80
medium / 1080p
21−24
55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 168% more, than Radeon HD 7970M.
high / 1080p
27−30
75−80
ultra / 1080p
24−27
65−70
QHD / 1440p
9−10
50−55
4K / 2160p
6−7
27−30
low / 720p
60−65
130−140
medium / 1080p
30−35
85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 174% more, than Radeon HD 7970M.
low / 768p
50−55
45−50
QHD / 1440p
0−1
45−50
The average gaming FPS of Radeon HD 7970M in Call of Duty: Warzone is 10% more, than Radeon R9 390X.
low / 768p
220−230
250−260
medium / 768p
190−200
230−240
ultra / 1080p
110−120
−
QHD / 1440p
75−80
150−160
4K / 2160p
40−45
100−110
high / 768p
160−170
220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 38% more, than Radeon HD 7970M.
low / 768p
60−65
70−75
ultra / 1080p
45−50
−
medium / 1080p
55−60
50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 3% more, than Radeon HD 7970M.
low / 768p
110−120
120−130
medium / 768p
100−110
110−120
ultra / 1080p
75−80
110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 19% more, than Radeon HD 7970M.
high / 1080p
21−24
60−65
ultra / 1080p
20−22
60−65
QHD / 1440p
18−20
40−45
4K / 2160p
7−8
21−24
low / 720p
45−50
100−110
medium / 1080p
24−27
65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 160% more, than Radeon HD 7970M.
high / 1080p
30−33
90−95
ultra / 1080p
21−24
70−75
QHD / 1440p
14−16
45−50
4K / 2160p
−
21−24
low / 720p
110−120
210−220
medium / 1080p
65−70
140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 128% more, than Radeon HD 7970M.
high / 1080p
30−35
80−85
ultra / 1080p
24−27
65−70
QHD / 1440p
12−14
45−50
4K / 2160p
12−14
30−35
low / 720p
60−65
130−140
medium / 1080p
35−40
90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 153% more, than Radeon HD 7970M.
low / 768p
95−100
160−170
medium / 768p
85−90
150−160
high / 1080p
35−40
95−100
ultra / 1080p
14−16
45−50
QHD / 1440p
5−6
35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 108% more, than Radeon HD 7970M.
high / 1080p
12−14
35−40
ultra / 1080p
9−10
30−35
QHD / 1440p
−
24−27
4K / 2160p
2−3
14−16
low / 720p
35−40
90−95
medium / 1080p
16−18
50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 206% more, than Radeon HD 7970M.
low / 768p
110−120
120−130
medium / 1080p
110−120
−
The average gaming FPS of Radeon R9 390X in Minecraft is 8% more, than Radeon HD 7970M.
high / 1080p
−
75−80
ultra / 1080p
14−16
50−55
4K / 2160p
−
18−20
low / 720p
65−70
120−130
medium / 1080p
18−20
85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 166% more, than Radeon HD 7970M.
high / 1080p
14−16
35−40
ultra / 1080p
9−10
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
35−40
90−95
medium / 1080p
18−20
50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 155% more, than Radeon HD 7970M.
low / 768p
65−70
180−190
medium / 768p
40−45
120−130
high / 1080p
21−24
70−75
ultra / 1080p
12−14
35−40
4K / 2160p
7−8
24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 196% more, than Radeon HD 7970M.
low / 768p
90−95
120−130
medium / 768p
60−65
−
ultra / 1080p
40−45
65−70
high / 768p
55−60
120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 64% more, than Radeon HD 7970M.
Full Specs
Radeon HD 7970M
Radeon R9 390X
Architecture
GCN
GCN
Code name
Wimbledon XT
Grenada XT
Type
Laptop
Desktop
Release date
1 May 2012
16 June 2015
Pipelines
1280
2816
Core clock speed
850 MHz
Boost Clock
1050 MHz
Transistor count
2,800 million
6,200 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
68.00
184.8
Floating-point performance
2,176 gflops
5,914 gflops
Length
275 mm
Memory bus width
256 Bit
512 Bit
Memory clock speed
4800 MHz
1050 MHz
Memory bandwidth
153.6 GB/s
384 GB/s
Shared memory
-
-
DirectX
12 (11_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
254 Mh/s
684 Mh/s
Laptop size
large
Eyefinity
+
PowerTune
+
TrueAudio
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
27.5 Mh/s
High bandwidth memory (HBM)
-
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