Radeon HD 6990M Crossfire vs Radeon R9 390X
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990M Crossfire and Radeon R9 390X. 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 6990M Crossfire and Radeon R9 390X. 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 HD 6990M Crossfire is a Laptop Graphics Card
Note: Radeon HD 6990M Crossfire 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 HD 6990M Crossfire here:
Main Specs
Radeon HD 6990M Crossfire
Radeon R9 390X
Power consumption (TDP)
275 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6990M Crossfire is used in Laptops, and Radeon R9 390X - in Desktops.
Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R9 390X - with GCN.
Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R9 390X - by 28 nm process technology.
Memory clock speed of Radeon R9 390X is 150 MHz higher, than Radeon HD 6990M Crossfire.
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
35−40
50−55
ultra / 1080p
21−24
30−35
QHD / 1440p
16−18
24−27
4K / 2160p
10−11
14−16
low / 720p
60−65
75−80
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 34% more, than Radeon HD 6990M Crossfire.
high / 1080p
55−60
75−80
ultra / 1080p
45−50
65−70
QHD / 1440p
35−40
50−55
4K / 2160p
18−20
27−30
low / 720p
100−110
130−140
medium / 1080p
60−65
85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 37% more, than Radeon HD 6990M Crossfire.
low / 768p
50−55
45−50
QHD / 1440p
0−1
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Radeon R9 390X.
low / 768p
250−260
250−260
medium / 768p
220−230
230−240
ultra / 1080p
180−190
−
QHD / 1440p
110−120
150−160
4K / 2160p
70−75
100−110
high / 768p
210−220
220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 10% more, than Radeon HD 6990M Crossfire.
low / 768p
60−65
70−75
medium / 1080p
55−60
50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 3% more, than Radeon HD 6990M Crossfire.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
100−110
110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 2% more, than Radeon HD 6990M Crossfire.
high / 1080p
45−50
60−65
ultra / 1080p
40−45
60−65
QHD / 1440p
27−30
40−45
4K / 2160p
14−16
21−24
low / 720p
80−85
100−110
medium / 1080p
45−50
65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 39% more, than Radeon HD 6990M Crossfire.
high / 1080p
60−65
90−95
ultra / 1080p
45−50
70−75
QHD / 1440p
27−30
45−50
4K / 2160p
27−30
21−24
low / 720p
180−190
210−220
medium / 1080p
110−120
140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 28% more, than Radeon HD 6990M Crossfire.
high / 1080p
60−65
80−85
ultra / 1080p
45−50
65−70
QHD / 1440p
30−35
45−50
4K / 2160p
24−27
30−35
low / 720p
100−110
130−140
medium / 1080p
65−70
90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 35% more, than Radeon HD 6990M Crossfire.
low / 768p
140−150
160−170
medium / 768p
120−130
150−160
high / 1080p
70−75
95−100
ultra / 1080p
30−35
45−50
QHD / 1440p
21−24
35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 26% more, than Radeon HD 6990M Crossfire.
high / 1080p
24−27
35−40
ultra / 1080p
20−22
30−35
QHD / 1440p
16−18
24−27
4K / 2160p
8−9
14−16
low / 720p
65−70
90−95
medium / 1080p
30−35
50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 50% more, than Radeon HD 6990M Crossfire.
low / 768p
130−140
120−130
medium / 1080p
120−130
−
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 8% more, than Radeon R9 390X.
high / 1080p
−
75−80
ultra / 1080p
14−16
50−55
4K / 2160p
−
18−20
low / 720p
100−110
120−130
medium / 1080p
18−20
85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 91% more, than Radeon HD 6990M Crossfire.
high / 1080p
24−27
35−40
ultra / 1080p
16−18
21−24
QHD / 1440p
10−11
16−18
4K / 2160p
7−8
10−11
low / 720p
65−70
90−95
medium / 1080p
35−40
50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 40% more, than Radeon HD 6990M Crossfire.
low / 768p
130−140
180−190
medium / 768p
85−90
120−130
high / 1080p
45−50
70−75
ultra / 1080p
24−27
35−40
4K / 2160p
16−18
24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 43% more, than Radeon HD 6990M Crossfire.
low / 768p
90−95
120−130
medium / 768p
60−65
−
ultra / 1080p
50−55
65−70
high / 768p
60−65
120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 52% more, than Radeon HD 6990M Crossfire.
Full Specs
Radeon HD 6990M Crossfire
Radeon R9 390X
Architecture
Terascale 2
GCN
Code name
Blackcomb XTX
Grenada XT
Type
Laptop
Desktop
Release date
12 July 2011
16 June 2015
Pipelines
2240
2816
Core clock speed
715 MHz
Boost Clock
1050 MHz
Transistor count
2x1700 Million
6,200 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
184.8
Floating-point performance
5,914 gflops
Length
275 mm
Memory bus width
256 Bit
512 Bit
Memory clock speed
900 MHz
1050 MHz
Memory bandwidth
384 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
Shader Model
6.3
OpenGL
4.6
OpenCL
2.0
Vulkan
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
684 Mh/s
Laptop size
large
Eyefinity
+
PowerTune
+
TrueAudio
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
27.5 Mh/s
High bandwidth memory (HBM)
-
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