Radeon HD 6990M Crossfire vs Radeon R9 270X
When choosing between Radeon HD 6990M Crossfire and Radeon R9 270X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6990M Crossfire and Radeon R9 270X.
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 270X
Power consumption (TDP)
180 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x2 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6990M Crossfire and Radeon R9 270X have maximum RAM of 2 GB.
Radeon HD 6990M Crossfire is used in Laptops, and Radeon R9 270X - in Desktops.
Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R9 270X - with GCN.
Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R9 270X - 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
35−40
24−27
ultra / 1080p
21−24
14−16
QHD / 1440p
16−18
10−11
4K / 2160p
10−11
6−7
low / 720p
60−65
45−50
medium / 1080p
40−45
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 45% more, than Radeon R9 270X.
high / 1080p
55−60
40−45
ultra / 1080p
45−50
30−35
QHD / 1440p
35−40
18−20
4K / 2160p
18−20
10−12
low / 720p
100−110
80−85
medium / 1080p
60−65
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 38% more, than Radeon R9 270X.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
Radeon HD 6990M Crossfire and Radeon R9 270X have the same average FPS in Call of Duty: Warzone.
low / 768p
250−260
240−250
medium / 768p
220−230
210−220
ultra / 1080p
180−190
140−150
QHD / 1440p
110−120
110−120
4K / 2160p
70−75
60−65
high / 768p
210−220
180−190
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 9% more, than Radeon R9 270X.
low / 768p
60−65
60−65
medium / 1080p
55−60
55−60
Radeon HD 6990M Crossfire and Radeon R9 270X have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
100−110
90−95
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 4% more, than Radeon R9 270X.
high / 1080p
45−50
30−35
ultra / 1080p
40−45
27−30
QHD / 1440p
27−30
21−24
4K / 2160p
14−16
10−11
low / 720p
80−85
60−65
medium / 1080p
45−50
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 38% more, than Radeon R9 270X.
high / 1080p
60−65
40−45
ultra / 1080p
45−50
30−35
QHD / 1440p
27−30
18−20
4K / 2160p
27−30
−
low / 720p
180−190
140−150
medium / 1080p
110−120
85−90
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 33% more, than Radeon R9 270X.
high / 1080p
60−65
40−45
ultra / 1080p
45−50
30−35
QHD / 1440p
30−35
18−20
4K / 2160p
24−27
16−18
low / 720p
100−110
80−85
medium / 1080p
65−70
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 40% more, than Radeon R9 270X.
low / 768p
140−150
110−120
medium / 768p
120−130
100−110
high / 1080p
70−75
50−55
ultra / 1080p
30−35
21−24
QHD / 1440p
21−24
10−12
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 29% more, than Radeon R9 270X.
high / 1080p
24−27
16−18
ultra / 1080p
20−22
12−14
QHD / 1440p
16−18
12−14
4K / 2160p
8−9
4−5
low / 720p
65−70
45−50
medium / 1080p
30−35
21−24
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 47% more, than Radeon R9 270X.
low / 768p
130−140
120−130
medium / 1080p
120−130
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 8% more, than Radeon R9 270X.
ultra / 1080p
14−16
14−16
low / 720p
100−110
80−85
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 21% more, than Radeon R9 270X.
high / 1080p
24−27
18−20
ultra / 1080p
16−18
12−14
QHD / 1440p
10−11
4−5
4K / 2160p
7−8
3−4
low / 720p
65−70
45−50
medium / 1080p
35−40
24−27
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 50% more, than Radeon R9 270X.
low / 768p
130−140
90−95
medium / 768p
85−90
55−60
high / 1080p
45−50
30−35
ultra / 1080p
24−27
18−20
4K / 2160p
16−18
10−11
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 47% more, than Radeon R9 270X.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
50−55
45−50
high / 768p
60−65
55−60
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 3% more, than Radeon R9 270X.
Full Specs
Radeon HD 6990M Crossfire
Radeon R9 270X
Architecture
Terascale 2
GCN
Code name
Blackcomb XTX
Curacao XT
Type
Laptop
Desktop
Release date
12 July 2011
8 October 2013
Pipelines
2240
1280
Core clock speed
715 MHz
Boost Clock
1050 MHz
Transistor count
2x1700 Million
2,800 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
84.00
Floating-point performance
2,688 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
900 MHz
Memory bandwidth
179.2 GB/s
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
318 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
TrueAudio
+
Design
reference
DisplayPort support
+
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
30 Mh/s
Zcash / ZEC (Equihash)
163 Sol/s
AppAcceleration
+
LiquidVR
+
TressFX
+
UVD
+
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