Radeon HD 7850M vs Radeon R9 M390X
In this comparison between Radeon HD 7850M and Radeon R9 M390X 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 7850M will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.
Radeon HD 7850M and Radeon R9 M390X are Laptop Graphics Cards
Note: Radeon HD 7850M and Radeon R9 M390X 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 7850M or Radeon R9 M390X here:
Main Specs
Radeon HD 7850M
Radeon R9 M390X
Power consumption (TDP)
40 Watt
100 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon R9 M390X has 150% more power consumption, than Radeon HD 7850M.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon R9 M390X has 2 GB more memory, than Radeon HD 7850M.
Both cards are used in Laptops.
Radeon HD 7850M is build with GCN architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Radeon R9 M390X is 48 MHz higher, than Radeon HD 7850M.
Radeon HD 7850M and Radeon R9 M390X are manufactured 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
6−7
21−24
ultra / 1080p
3−4
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
14−16
40−45
medium / 1080p
7−8
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 225% more, than Radeon HD 7850M.
high / 1080p
10−12
35−40
ultra / 1080p
9−10
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
21−24
70−75
medium / 1080p
10−12
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 253% more, than Radeon HD 7850M.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M390X in Call of Duty: Warzone is 10% more, than Radeon HD 7850M.
low / 768p
120−130
230−240
medium / 768p
100−110
210−220
ultra / 1080p
50−55
120−130
QHD / 1440p
27−30
100−110
4K / 2160p
−
55−60
high / 768p
75−80
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 122% more, than Radeon HD 7850M.
low / 768p
55−60
60−65
ultra / 1080p
16−18
55−60
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M390X in Cyberpunk 2077 is 47% more, than Radeon HD 7850M.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 91% more, than Radeon HD 7850M.
high / 1080p
7−8
27−30
ultra / 1080p
7−8
24−27
QHD / 1440p
−
20−22
4K / 2160p
3−4
9−10
low / 720p
16−18
55−60
medium / 1080p
8−9
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 275% more, than Radeon HD 7850M.
high / 1080p
14−16
35−40
ultra / 1080p
10−11
27−30
QHD / 1440p
−
16−18
low / 720p
55−60
130−140
medium / 1080p
20−22
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 165% more, than Radeon HD 7850M.
high / 1080p
10−11
35−40
ultra / 1080p
−
27−30
QHD / 1440p
−
16−18
4K / 2160p
8−9
14−16
low / 720p
24−27
75−80
medium / 1080p
12−14
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 207% more, than Radeon HD 7850M.
low / 768p
50−55
110−120
medium / 768p
40−45
95−100
high / 1080p
10−12
45−50
ultra / 1080p
6−7
18−20
QHD / 1440p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 146% more, than Radeon HD 7850M.
high / 1080p
4−5
14−16
ultra / 1080p
3−4
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
10−12
40−45
medium / 1080p
6−7
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 266% more, than Radeon HD 7850M.
low / 768p
90−95
120−130
high / 1080p
85−90
−
ultra / 1080p
75−80
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 30% more, than Radeon HD 7850M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−33
75−80
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 76% more, than Radeon HD 7850M.
high / 1080p
−
16−18
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
10−12
40−45
medium / 1080p
10−11
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 177% more, than Radeon HD 7850M.
low / 768p
21−24
80−85
medium / 768p
14−16
50−55
high / 1080p
8−9
27−30
ultra / 1080p
6−7
16−18
4K / 2160p
−
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 246% more, than Radeon HD 7850M.
low / 768p
85−90
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
40−45
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 36% more, than Radeon HD 7850M.
Full Specs
Radeon HD 7850M
Radeon R9 M390X
Architecture
GCN
GCN 3
Code name
Heathrow Pro
Amethyst (XT) / Tonga
Type
Laptop
Laptop
Release date
24 April 2012
9 June 2015
Pipelines
640
2048
Core clock speed
675 MHz
723 MHz
Transistor count
1,500 million
5,000 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
27.00
92.54
Floating-point performance
864.0 gflops
2,961 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
Memory bandwidth
64 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
12 (11_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.4
OpenCL
1.2
Not Listed
Vulkan
1.2.131
+
FreeSync
+
Bus support
PCIe 3.0
Laptop size
large
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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