Radeon HD 6770 vs Radeon HD 6990M Crossfire
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6770 and Radeon HD 6990M Crossfire. 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 6770 and Radeon HD 6990M Crossfire. 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 6770
Radeon HD 6990M Crossfire
Power consumption (TDP)
108 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2x2 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6990M Crossfire has 1 GB more memory, than Radeon HD 6770.
Radeon HD 6770 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
Radeon HD 6770 is build with TeraScale 2 architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Radeon HD 6770 and Radeon HD 6990M Crossfire are manufactured by 40 nm process technology.
Memory clock speed of Radeon HD 6770 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
3−4
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
5−6
40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than Radeon HD 6770.
high / 1080p
7−8
55−60
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
20−22
100−110
medium / 1080p
8−9
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 580% more, than Radeon HD 6770.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Radeon HD 6770.
low / 768p
120−130
250−260
medium / 768p
95−100
220−230
ultra / 1080p
45−50
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
−
70−75
high / 768p
70−75
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 172% more, than Radeon HD 6770.
low / 768p
70−75
60−65
ultra / 1080p
20−22
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 5% more, than Radeon HD 6770.
low / 768p
75−80
120−130
medium / 768p
55−60
110−120
ultra / 1080p
27−30
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 112% more, than Radeon HD 6770.
high / 1080p
4−5
45−50
ultra / 1080p
3−4
40−45
QHD / 1440p
−
27−30
4K / 2160p
1−2
14−16
low / 720p
14−16
80−85
medium / 1080p
5−6
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 683% more, than Radeon HD 6770.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
4−5
27−30
4K / 2160p
−
27−30
low / 720p
55−60
180−190
medium / 1080p
16−18
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 357% more, than Radeon HD 6770.
high / 1080p
7−8
60−65
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
21−24
100−110
medium / 1080p
9−10
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 536% more, than Radeon HD 6770.
low / 768p
45−50
140−150
medium / 768p
−
120−130
high / 1080p
9−10
70−75
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 315% more, than Radeon HD 6770.
high / 1080p
2−3
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
8−9
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 720% more, than Radeon HD 6770.
low / 768p
85−90
130−140
high / 1080p
65−70
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 55% more, than Radeon HD 6770.
ultra / 1080p
12−14
14−16
low / 720p
27−30
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than Radeon HD 6770.
high / 1080p
6−7
24−27
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
7−8
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 500% more, than Radeon HD 6770.
low / 768p
18−20
130−140
medium / 768p
12−14
85−90
high / 1080p
6−7
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 675% more, than Radeon HD 6770.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 71% more, than Radeon HD 6770.
Full Specs
Radeon HD 6770
Radeon HD 6990M Crossfire
Architecture
TeraScale 2
Terascale 2
Code name
Juniper
Blackcomb XTX
Type
Desktop
Laptop
Release date
21 January 2011
12 July 2011
Pipelines
800
2240
Core clock speed
715 MHz
Boost Clock
900 MHz
Transistor count
1,040 million
2x1700 Million
Manufacturing process technology
40 nm
40 nm
Texture fill rate
34.00
Floating-point performance
1,360.0 gflops
Length
198 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
900 MHz
Memory bandwidth
76.8 GB/s
Shared memory
-
DirectX
DirectX 11, Shader 5.0
Shader Model
5.0
OpenGL
4.4
OpenCL
1.2
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
118 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
CrossFire
+
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