Radeon HD 6850M vs Radeon R9 M390X
In this comparison between Radeon HD 6850M 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 6850M 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 6850M and Radeon R9 M390X are Laptop Graphics Cards
Note: Radeon HD 6850M 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 6850M or Radeon R9 M390X here:
Main Specs
Radeon HD 6850M
Radeon R9 M390X
Power consumption (TDP)
50 Watt
100 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
No outputs
No outputs
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Radeon R9 M390X has 100% more power consumption, than Radeon HD 6850M.
Radeon HD 6850M is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
Radeon R9 M390X has 3 GB more memory, than Radeon HD 6850M.
Both cards are used in Laptops.
Radeon HD 6850M is build with Terascale 2 architecture, and Radeon R9 M390X - with GCN 3.
Core clock speed of Radeon R9 M390X is 148 MHz higher, than Radeon HD 6850M.
Radeon HD 6850M is manufactured by 40 nm process technology, and Radeon R9 M390X - 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
2−3
21−24
ultra / 1080p
0−1
12−14
QHD / 1440p
0−1
8−9
4K / 2160p
−
5−6
low / 720p
12−14
40−45
medium / 1080p
3−4
27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 416% more, than Radeon HD 6850M.
high / 1080p
−
35−40
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
14−16
4K / 2160p
−
9−10
low / 720p
14−16
70−75
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon R9 M390X in Battlefield 5 is 512% more, than Radeon HD 6850M.
low / 768p
50−55
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon HD 6850M and Radeon R9 M390X have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
230−240
medium / 768p
95−100
210−220
ultra / 1080p
40−45
120−130
QHD / 1440p
−
100−110
4K / 2160p
10−11
55−60
high / 768p
65−70
170−180
The average gaming FPS of Radeon R9 M390X in Counter-Strike: Global Offensive is 136% more, than Radeon HD 6850M.
low / 768p
70−75
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 31% more, than Radeon HD 6850M.
low / 768p
75−80
120−130
medium / 768p
45−50
110−120
ultra / 1080p
21−24
85−90
The average gaming FPS of Radeon R9 M390X in Dota 2 is 122% more, than Radeon HD 6850M.
high / 1080p
3−4
27−30
ultra / 1080p
3−4
24−27
QHD / 1440p
−
20−22
4K / 2160p
1−2
9−10
low / 720p
12−14
55−60
medium / 1080p
4−5
30−33
The average gaming FPS of Radeon R9 M390X in Far Cry 5 is 500% more, than Radeon HD 6850M.
high / 1080p
10−12
35−40
ultra / 1080p
6−7
27−30
QHD / 1440p
2−3
16−18
low / 720p
50−55
130−140
medium / 1080p
10−12
75−80
The average gaming FPS of Radeon R9 M390X in Fortnite is 268% more, than Radeon HD 6850M.
high / 1080p
4−5
35−40
ultra / 1080p
−
27−30
QHD / 1440p
0−1
16−18
4K / 2160p
−
14−16
low / 720p
18−20
75−80
medium / 1080p
7−8
40−45
The average gaming FPS of Radeon R9 M390X in Forza Horizon 4 is 420% more, than Radeon HD 6850M.
low / 768p
45−50
110−120
medium / 768p
−
95−100
high / 1080p
5−6
45−50
ultra / 1080p
3−4
18−20
QHD / 1440p
0−1
9−10
medium / 720p
35−40
−
The average gaming FPS of Radeon R9 M390X in Grand Theft Auto V is 233% more, than Radeon HD 6850M.
high / 1080p
1−2
14−16
ultra / 1080p
0−1
10−12
QHD / 1440p
−
10−12
4K / 2160p
0−1
3−4
low / 720p
5−6
40−45
medium / 1080p
3−4
20−22
The average gaming FPS of Radeon R9 M390X in Metro Exodus is 766% more, than Radeon HD 6850M.
low / 768p
90−95
120−130
high / 1080p
60−65
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon R9 M390X in Minecraft is 35% more, than Radeon HD 6850M.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
27−30
75−80
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon R9 M390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 105% more, than Radeon HD 6850M.
high / 1080p
−
16−18
ultra / 1080p
3−4
10−12
QHD / 1440p
0−1
3−4
4K / 2160p
−
2−3
low / 720p
6−7
40−45
medium / 1080p
−
21−24
The average gaming FPS of Radeon R9 M390X in Red Dead Redemption 2 is 420% more, than Radeon HD 6850M.
low / 768p
10−12
80−85
medium / 768p
8−9
50−55
high / 1080p
4−5
27−30
ultra / 1080p
3−4
16−18
4K / 2160p
0−1
9−10
The average gaming FPS of Radeon R9 M390X in The Witcher 3: Wild Hunt is 650% more, than Radeon HD 6850M.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
14−16
40−45
high / 768p
30−35
55−60
The average gaming FPS of Radeon R9 M390X in World of Tanks is 53% more, than Radeon HD 6850M.
Full Specs
Radeon HD 6850M
Radeon R9 M390X
Architecture
Terascale 2
GCN 3
Code name
Granville Pro/LP
Amethyst (XT) / Tonga
Type
Laptop
Laptop
Release date
6 January 2011
9 June 2015
Pipelines
800
2048
Core clock speed
575 / 675 MHz
723 MHz
Transistor count
1,040 million
5,000 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
27.00
92.54
Floating-point performance
1,080.0 gflops
2,961 gflops
Memory bus width
128 Bit
256 Bit
Memory clock speed
800 MHz
Memory bandwidth
25.6 GB/s
160.0 GB/s
Shared memory
-
-
DirectX
11.2 (11_0)
Shader Model
5.0
6.3
OpenGL
4.4
4.4
OpenCL
1.2
Not Listed
Vulkan
N/A
+
FreeSync
+
Bus support
PCIe 3.0
Laptop size
large
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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