Radeon HD 7850M vs Radeon R9 M390
If you are going to buy a new graphics card and are choosing between Radeon HD 7850M and Radeon R9 M390, 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 7850M stacks up against Radeon R9 M390, check out specs charts below.
Radeon HD 7850M and Radeon R9 M390 are Laptop Graphics Cards
Note: Radeon HD 7850M and Radeon R9 M390 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 M390 here:
Main Specs
Radeon HD 7850M
Radeon R9 M390
Power consumption (TDP)
40 Watt
Interface
PCIe 3.0 x16
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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Radeon HD 7850M and Radeon R9 M390 have maximum RAM of 2 GB.
Both cards are used in Laptops.
Radeon HD 7850M and Radeon R9 M390 are build with GCN architecture.
Radeon HD 7850M and Radeon R9 M390 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
18−20
ultra / 1080p
3−4
10−11
QHD / 1440p
0−1
5−6
4K / 2160p
−
4−5
low / 720p
14−16
35−40
medium / 1080p
7−8
21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 175% more, than Radeon HD 7850M.
high / 1080p
10−12
27−30
ultra / 1080p
9−10
24−27
QHD / 1440p
0−1
10−12
4K / 2160p
−
7−8
low / 720p
21−24
60−65
medium / 1080p
10−12
30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 184% more, than Radeon HD 7850M.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon HD 7850M and Radeon R9 M390 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
220−230
medium / 768p
100−110
190−200
ultra / 1080p
50−55
110−120
QHD / 1440p
27−30
65−70
4K / 2160p
−
35−40
high / 768p
75−80
150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 96% more, than Radeon HD 7850M.
low / 768p
55−60
55−60
ultra / 1080p
16−18
45−50
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 25% more, than Radeon HD 7850M.
low / 768p
80−85
110−120
medium / 768p
55−60
100−110
ultra / 1080p
30−35
70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 70% more, than Radeon HD 7850M.
high / 1080p
7−8
21−24
ultra / 1080p
7−8
18−20
QHD / 1440p
−
16−18
4K / 2160p
3−4
7−8
low / 720p
16−18
45−50
medium / 1080p
8−9
21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 187% more, than Radeon HD 7850M.
high / 1080p
14−16
27−30
ultra / 1080p
10−11
21−24
QHD / 1440p
−
16−18
low / 720p
55−60
110−120
medium / 1080p
20−22
60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 119% more, than Radeon HD 7850M.
high / 1080p
10−11
30−33
ultra / 1080p
−
21−24
QHD / 1440p
−
12−14
4K / 2160p
8−9
10−12
low / 720p
24−27
60−65
medium / 1080p
12−14
30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 142% more, than Radeon HD 7850M.
low / 768p
50−55
95−100
medium / 768p
40−45
85−90
high / 1080p
10−12
35−40
ultra / 1080p
6−7
14−16
QHD / 1440p
0−1
5−6
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 110% more, than Radeon HD 7850M.
high / 1080p
4−5
10−12
ultra / 1080p
3−4
9−10
4K / 2160p
0−1
3−4
low / 720p
10−12
35−40
medium / 1080p
6−7
14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 200% more, than Radeon HD 7850M.
low / 768p
90−95
110−120
high / 1080p
85−90
−
ultra / 1080p
75−80
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 25% more, than Radeon HD 7850M.
high / 1080p
16−18
24−27
ultra / 1080p
14−16
18−20
low / 720p
30−33
65−70
medium / 1080p
16−18
27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 75% more, than Radeon HD 7850M.
high / 1080p
−
14−16
ultra / 1080p
7−8
10−11
QHD / 1440p
0−1
0−1
low / 720p
10−12
30−35
medium / 1080p
10−11
18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 122% more, than Radeon HD 7850M.
low / 768p
21−24
65−70
medium / 768p
14−16
40−45
high / 1080p
8−9
21−24
ultra / 1080p
6−7
12−14
4K / 2160p
−
9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 176% more, than Radeon HD 7850M.
low / 768p
85−90
100−110
medium / 768p
40−45
65−70
ultra / 1080p
18−20
35−40
high / 768p
35−40
55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 43% more, than Radeon HD 7850M.
Full Specs
Radeon HD 7850M
Radeon R9 M390
Architecture
GCN
GCN
Code name
Heathrow Pro
Pitcairn
Type
Laptop
Laptop
Release date
24 April 2012
9 June 2015
Pipelines
640
1024
Core clock speed
675 MHz
Transistor count
1,500 million
5000 Million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
27.00
Floating-point performance
864.0 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
Memory bandwidth
64 GB/s
Shared memory
-
-
DirectX
12 (11_1)
Shader Model
5.1
OpenGL
4.6
4.4
OpenCL
1.2
Not Listed
Vulkan
1.2.131
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
242 Mh/s
Laptop size
large
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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