Radeon HD 6990 vs Radeon R9 M390
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 and Radeon R9 M390. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6990 and Radeon R9 M390. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon R9 M390 is a Laptop Graphics Card
Note: Radeon R9 M390 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 R9 M390 here:
Main Specs
Radeon HD 6990
Radeon R9 M390
Power consumption (TDP)
375 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 and Radeon R9 M390 have maximum RAM of 2 GB.
Radeon HD 6990 is used in Desktops, and Radeon R9 M390 - in Laptops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 M390 - with GCN.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 M390 - 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
14−16
18−20
ultra / 1080p
9−10
10−11
QHD / 1440p
3−4
5−6
4K / 2160p
−
4−5
low / 720p
30−35
35−40
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 26% more, than Radeon HD 6990.
high / 1080p
24−27
27−30
ultra / 1080p
21−24
24−27
QHD / 1440p
7−8
10−12
4K / 2160p
5−6
7−8
low / 720p
50−55
60−65
medium / 1080p
27−30
30−35
The average gaming FPS of Radeon R9 M390 in Battlefield 5 is 17% more, than Radeon HD 6990.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6990 and Radeon R9 M390 have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
220−230
medium / 768p
170−180
190−200
ultra / 1080p
95−100
110−120
QHD / 1440p
50−55
65−70
4K / 2160p
30−33
35−40
high / 768p
140−150
150−160
The average gaming FPS of Radeon R9 M390 in Counter-Strike: Global Offensive is 10% more, than Radeon HD 6990.
low / 768p
55−60
55−60
ultra / 1080p
40−45
45−50
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon R9 M390 in Cyberpunk 2077 is 2% more, than Radeon HD 6990.
low / 768p
110−120
110−120
medium / 768p
90−95
100−110
ultra / 1080p
60−65
70−75
The average gaming FPS of Radeon R9 M390 in Dota 2 is 7% more, than Radeon HD 6990.
high / 1080p
18−20
21−24
ultra / 1080p
16−18
18−20
QHD / 1440p
−
16−18
4K / 2160p
6−7
7−8
low / 720p
35−40
45−50
medium / 1080p
18−20
21−24
The average gaming FPS of Radeon R9 M390 in Far Cry 5 is 21% more, than Radeon HD 6990.
high / 1080p
24−27
27−30
ultra / 1080p
18−20
21−24
QHD / 1440p
16−18
16−18
low / 720p
95−100
110−120
medium / 1080p
50−55
60−65
The average gaming FPS of Radeon R9 M390 in Fortnite is 16% more, than Radeon HD 6990.
high / 1080p
24−27
30−33
ultra / 1080p
20−22
21−24
QHD / 1440p
9−10
12−14
4K / 2160p
−
10−12
low / 720p
50−55
60−65
medium / 1080p
27−30
30−35
The average gaming FPS of Radeon R9 M390 in Forza Horizon 4 is 18% more, than Radeon HD 6990.
low / 768p
85−90
95−100
medium / 768p
75−80
85−90
high / 1080p
30−33
35−40
ultra / 1080p
12−14
14−16
QHD / 1440p
3−4
5−6
The average gaming FPS of Radeon R9 M390 in Grand Theft Auto V is 14% more, than Radeon HD 6990.
high / 1080p
9−10
10−12
ultra / 1080p
7−8
9−10
4K / 2160p
2−3
3−4
low / 720p
27−30
35−40
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon R9 M390 in Metro Exodus is 25% more, than Radeon HD 6990.
low / 768p
110−120
110−120
ultra / 1080p
100−110
−
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon R9 M390 in Minecraft is 4% more, than Radeon HD 6990.
high / 1080p
21−24
24−27
ultra / 1080p
18−20
18−20
low / 720p
55−60
65−70
medium / 1080p
24−27
27−30
The average gaming FPS of Radeon R9 M390 in PLAYERUNKNOWN'S BATTLEGROUNDS is 12% more, than Radeon HD 6990.
high / 1080p
14−16
14−16
ultra / 1080p
9−10
10−11
QHD / 1440p
0−1
0−1
low / 720p
27−30
30−35
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon R9 M390 in Red Dead Redemption 2 is 11% more, than Radeon HD 6990.
low / 768p
55−60
65−70
medium / 768p
30−35
40−45
high / 1080p
18−20
21−24
ultra / 1080p
10−12
12−14
4K / 2160p
8−9
9−10
The average gaming FPS of Radeon R9 M390 in The Witcher 3: Wild Hunt is 24% more, than Radeon HD 6990.
low / 768p
100−110
100−110
medium / 768p
60−65
65−70
ultra / 1080p
35−40
35−40
high / 768p
50−55
55−60
The average gaming FPS of Radeon R9 M390 in World of Tanks is 3% more, than Radeon HD 6990.
Full Specs
Radeon HD 6990
Radeon R9 M390
Architecture
TeraScale 3
GCN
Code name
Antilles
Pitcairn
Type
Desktop
Laptop
Release date
8 March 2011
9 June 2015
Pipelines
1536
1024
Core clock speed
830 MHz
Transistor count
2,640 million
5000 Million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
79.68
Floating-point performance
2x 2,549.8 gflops
Length
295 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
5000 MHz
Memory bandwidth
160.0 GB/s
Shared memory
-
DirectX
11.2 (11_0)
Shader Model
5.0
OpenGL
4.4
4.4
OpenCL
1.2
Not Listed
Vulkan
N/A
FreeSync
+
Bus support
PCIe 3.0
Bitcoin / BTC (SHA256)
265 Mh/s
242 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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