Radeon HD 6990 vs Radeon R9 M395X
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 and Radeon R9 M395X. 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 M395X. 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 M395X is a Laptop Graphics Card
Note: Radeon R9 M395X 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 M395X here:
Main Specs
Radeon HD 6990
Radeon R9 M395X
Power consumption (TDP)
375 Watt
250 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
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Radeon HD 6990 has 50% more power consumption, than Radeon R9 M395X.
Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon R9 M395X uses PCIe 3.0 x16 interface.
Radeon R9 M395X has 2 GB more memory, than Radeon HD 6990.
Radeon HD 6990 is used in Desktops, and Radeon R9 M395X - in Laptops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 M395X - with GCN 3.
Core clock speed of Radeon HD 6990 is 107 MHz higher, than Radeon R9 M395X.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 M395X - by 28 nm process technology.
Memory clock speed of Radeon HD 6990 is 3750 MHz higher, than Radeon R9 M395X.
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
24−27
ultra / 1080p
9−10
14−16
QHD / 1440p
3−4
9−10
4K / 2160p
−
6−7
low / 720p
30−35
45−50
medium / 1080p
18−20
30−35
The average gaming FPS of Radeon R9 M395X in Assassin's Creed Odyssey is 73% more, than Radeon HD 6990.
high / 1080p
24−27
35−40
ultra / 1080p
21−24
30−35
QHD / 1440p
7−8
18−20
4K / 2160p
5−6
10−11
low / 720p
50−55
80−85
medium / 1080p
27−30
40−45
The average gaming FPS of Radeon R9 M395X in Battlefield 5 is 60% more, than Radeon HD 6990.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 M395X in Call of Duty: Warzone is 10% more, than Radeon HD 6990.
low / 768p
210−220
240−250
medium / 768p
170−180
210−220
ultra / 1080p
95−100
130−140
QHD / 1440p
50−55
100−110
4K / 2160p
30−33
60−65
high / 768p
140−150
180−190
The average gaming FPS of Radeon R9 M395X in Counter-Strike: Global Offensive is 31% more, than Radeon HD 6990.
low / 768p
55−60
60−65
ultra / 1080p
40−45
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 M395X in Cyberpunk 2077 is 15% more, than Radeon HD 6990.
low / 768p
110−120
120−130
medium / 768p
90−95
110−120
ultra / 1080p
60−65
85−90
The average gaming FPS of Radeon R9 M395X in Dota 2 is 21% more, than Radeon HD 6990.
high / 1080p
18−20
30−35
ultra / 1080p
16−18
27−30
QHD / 1440p
−
21−24
4K / 2160p
6−7
10−11
low / 720p
35−40
60−65
medium / 1080p
18−20
30−35
The average gaming FPS of Radeon R9 M395X in Far Cry 5 is 73% more, than Radeon HD 6990.
high / 1080p
24−27
35−40
ultra / 1080p
18−20
30−35
QHD / 1440p
16−18
18−20
low / 720p
95−100
140−150
medium / 1080p
50−55
85−90
The average gaming FPS of Radeon R9 M395X in Fortnite is 52% more, than Radeon HD 6990.
high / 1080p
24−27
40−45
ultra / 1080p
20−22
30−35
QHD / 1440p
9−10
18−20
4K / 2160p
−
16−18
low / 720p
50−55
80−85
medium / 1080p
27−30
45−50
The average gaming FPS of Radeon R9 M395X in Forza Horizon 4 is 62% more, than Radeon HD 6990.
low / 768p
85−90
110−120
medium / 768p
75−80
100−110
high / 1080p
30−33
50−55
ultra / 1080p
12−14
21−24
QHD / 1440p
3−4
10−12
The average gaming FPS of Radeon R9 M395X in Grand Theft Auto V is 45% more, than Radeon HD 6990.
high / 1080p
9−10
16−18
ultra / 1080p
7−8
12−14
QHD / 1440p
−
12−14
4K / 2160p
2−3
4−5
low / 720p
27−30
45−50
medium / 1080p
12−14
21−24
The average gaming FPS of Radeon R9 M395X in Metro Exodus is 66% more, than Radeon HD 6990.
low / 768p
110−120
120−130
ultra / 1080p
100−110
−
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon R9 M395X in Minecraft is 9% more, than Radeon HD 6990.
high / 1080p
21−24
−
ultra / 1080p
18−20
14−16
low / 720p
55−60
80−85
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon R9 M395X in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Radeon HD 6990.
high / 1080p
14−16
18−20
ultra / 1080p
9−10
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
27−30
45−50
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon R9 M395X in Red Dead Redemption 2 is 52% more, than Radeon HD 6990.
low / 768p
55−60
90−95
medium / 768p
30−35
55−60
high / 1080p
18−20
30−35
ultra / 1080p
10−12
16−18
4K / 2160p
8−9
10−11
The average gaming FPS of Radeon R9 M395X in The Witcher 3: Wild Hunt is 68% more, than Radeon HD 6990.
low / 768p
100−110
90−95
medium / 768p
60−65
60−65
ultra / 1080p
35−40
45−50
high / 768p
50−55
55−60
The average gaming FPS of Radeon R9 M395X in World of Tanks is 1% more, than Radeon HD 6990.
Full Specs
Radeon HD 6990
Radeon R9 M395X
Architecture
TeraScale 3
GCN 3
Code name
Antilles
Amethyst XT
Type
Desktop
Laptop
Release date
8 March 2011
16 October 2014
Pipelines
1536
2048
Core clock speed
830 MHz
723 MHz
Transistor count
2,640 million
5,000 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
79.68
92.54
Floating-point performance
2x 2,549.8 gflops
2,961 gflops
Length
295 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
5000 MHz
1250 MHz
Memory bandwidth
160.0 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
Bitcoin / BTC (SHA256)
265 Mh/s
413 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
PowerTune
+
DualGraphics
+
TrueAudio
+
ZeroCore
+
Switchable graphics
+
Mantle
+
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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