Radeon HD 6770 vs Radeon HD 6990M
In this comparison between Radeon HD 6770 and Radeon HD 6990M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 6770 will be the best choice, for others Radeon HD 6990M will be their preference. Study the comparison tables below and make your choice.
Radeon HD 6990M is a Laptop Graphics Card
Note: Radeon HD 6990M 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 here:
Main Specs
Radeon HD 6770
Radeon HD 6990M
Power consumption (TDP)
108 Watt
100 Watt
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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Radeon HD 6770 has 8% more power consumption, than Radeon HD 6990M.
Radeon HD 6770 is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
Radeon HD 6990M has 1 GB more memory, than Radeon HD 6770.
Radeon HD 6770 is used in Desktops, and Radeon HD 6990M - in Laptops.
Radeon HD 6770 is build with TeraScale 2 architecture, and Radeon HD 6990M - with Terascale 2.
Radeon HD 6770 and Radeon HD 6990M are manufactured by 40 nm process technology.
Memory clock speed of Radeon HD 6770 is 150 MHz higher, than Radeon HD 6990M.
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
14−16
ultra / 1080p
1−2
8−9
QHD / 1440p
0−1
3−4
low / 720p
14−16
30−33
medium / 1080p
5−6
16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 200% more, than Radeon HD 6770.
high / 1080p
7−8
21−24
ultra / 1080p
6−7
18−20
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
20−22
45−50
medium / 1080p
8−9
24−27
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 180% more, than Radeon HD 6770.
low / 768p
45−50
45−50
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
Radeon HD 6770 and Radeon HD 6990M have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
200−210
medium / 768p
95−100
170−180
ultra / 1080p
45−50
90−95
QHD / 1440p
24−27
50−55
4K / 2160p
−
30−33
high / 768p
70−75
130−140
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 80% more, than Radeon HD 6770.
low / 768p
70−75
55−60
ultra / 1080p
20−22
35−40
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 4% more, than Radeon HD 6770.
low / 768p
75−80
100−110
medium / 768p
55−60
90−95
ultra / 1080p
27−30
60−65
The average gaming FPS of Radeon HD 6990M in Dota 2 is 59% more, than Radeon HD 6770.
high / 1080p
4−5
16−18
ultra / 1080p
3−4
14−16
4K / 2160p
1−2
6−7
low / 720p
14−16
35−40
medium / 1080p
5−6
18−20
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 216% more, than Radeon HD 6770.
high / 1080p
12−14
24−27
ultra / 1080p
7−8
18−20
QHD / 1440p
4−5
16−18
low / 720p
55−60
95−100
medium / 1080p
16−18
50−55
The average gaming FPS of Radeon HD 6990M in Fortnite is 121% more, than Radeon HD 6770.
high / 1080p
7−8
24−27
ultra / 1080p
6−7
18−20
QHD / 1440p
0−1
8−9
low / 720p
21−24
50−55
medium / 1080p
9−10
27−30
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 181% more, than Radeon HD 6770.
low / 768p
45−50
80−85
medium / 768p
−
70−75
high / 1080p
9−10
27−30
ultra / 1080p
4−5
10−12
QHD / 1440p
0−1
2−3
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 100% more, than Radeon HD 6770.
high / 1080p
2−3
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
8−9
27−30
medium / 1080p
4−5
12−14
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 240% more, than Radeon HD 6770.
low / 768p
85−90
110−120
high / 1080p
65−70
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon HD 6990M in Minecraft is 32% more, than Radeon HD 6770.
high / 1080p
−
21−24
ultra / 1080p
12−14
16−18
low / 720p
27−30
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than Radeon HD 6770.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
7−8
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 183% more, than Radeon HD 6770.
low / 768p
18−20
50−55
medium / 768p
12−14
30−35
high / 1080p
6−7
18−20
ultra / 1080p
4−5
10−11
4K / 2160p
1−2
8−9
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 200% more, than Radeon HD 6770.
low / 768p
70−75
100−105
medium / 768p
35−40
60−65
ultra / 1080p
16−18
30−35
high / 768p
30−35
50−55
The average gaming FPS of Radeon HD 6990M in World of Tanks is 58% more, than Radeon HD 6770.
Full Specs
Radeon HD 6770
Radeon HD 6990M
Architecture
TeraScale 2
Terascale 2
Code name
Juniper
Blackcomb XTX
Type
Desktop
Laptop
Release date
21 January 2011
12 July 2011
Pipelines
800
1120
Core clock speed
715 MHz
Boost Clock
900 MHz
Transistor count
1,040 million
1,700 million
Manufacturing process technology
40 nm
40 nm
Texture fill rate
34.00
40.04
Floating-point performance
1,360.0 gflops
1,601.6 gflops
Length
198 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1050 MHz
900 MHz
Memory bandwidth
76.8 GB/s
115.2 GB/s
Shared memory
-
DirectX
11.2 (11_0)
Shader Model
5.0
5.0
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
118 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
CrossFire
+
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