Radeon HD 4770 vs Radeon HD 6990
If you are going to buy a new graphics card and are choosing between Radeon HD 4770 and Radeon HD 6990, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 4770 stacks up against Radeon HD 6990, check out specs charts below.
Radeon HD 4770
Main Specs
Radeon HD 4770
Radeon HD 6990
Power consumption (TDP)
80 Watt
375 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
2 GB
Display Connectors
2x DVI, 1x S-Video
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 368% more power consumption, than Radeon HD 4770.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 4770 has 510 GB more memory, than Radeon HD 6990.
Both cards are used in Desktops.
Radeon HD 4770 is build with TeraScale architecture, and Radeon HD 6990 - with TeraScale 3.
Core clock speed of Radeon HD 6990 is 80 MHz higher, than Radeon HD 4770.
Radeon HD 4770 and Radeon HD 6990 are manufactured by 40 nm process technology.
Radeon HD 6990 is 92 mm longer, than Radeon HD 4770.
Memory clock speed of Radeon HD 6990 is 1800 MHz higher, than Radeon HD 4770.
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
1−2
14−16
ultra / 1080p
0−1
9−10
QHD / 1440p
0−1
3−4
low / 720p
10−12
30−35
medium / 1080p
2−3
18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 340% more, than Radeon HD 4770.
high / 1080p
−
24−27
ultra / 1080p
3−4
21−24
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
12−14
50−55
medium / 1080p
4−5
27−30
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 385% more, than Radeon HD 4770.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 4770 in Call of Duty: Warzone is 10% more, than Radeon HD 6990.
low / 768p
110−120
210−220
medium / 768p
85−90
170−180
ultra / 1080p
35−40
95−100
QHD / 1440p
−
50−55
4K / 2160p
10−11
30−33
high / 768p
60−65
140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 112% more, than Radeon HD 4770.
low / 768p
70−75
55−60
ultra / 1080p
14−16
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 8% more, than Radeon HD 4770.
low / 768p
70−75
110−120
medium / 768p
45−50
90−95
ultra / 1080p
18−20
60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 95% more, than Radeon HD 4770.
high / 1080p
2−3
18−20
ultra / 1080p
2−3
16−18
4K / 2160p
0−1
6−7
low / 720p
10−11
35−40
medium / 1080p
3−4
18−20
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 475% more, than Radeon HD 4770.
high / 1080p
−
24−27
ultra / 1080p
5−6
18−20
QHD / 1440p
1−2
16−18
low / 720p
45−50
95−100
medium / 1080p
8−9
50−55
The average gaming FPS of Radeon HD 6990 in Fortnite is 206% more, than Radeon HD 4770.
high / 1080p
3−4
24−27
ultra / 1080p
−
20−22
QHD / 1440p
0−1
9−10
low / 720p
14−16
50−55
medium / 1080p
5−6
27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 337% more, than Radeon HD 4770.
low / 768p
40−45
85−90
medium / 768p
−
75−80
high / 1080p
3−4
30−33
ultra / 1080p
2−3
12−14
QHD / 1440p
0−1
3−4
medium / 720p
35−40
−
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 175% more, than Radeon HD 4770.
high / 1080p
1−2
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
3−4
27−30
medium / 1080p
2−3
12−14
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 750% more, than Radeon HD 4770.
low / 768p
85−90
110−120
high / 1080p
55−60
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon HD 6990 in Minecraft is 32% more, than Radeon HD 4770.
high / 1080p
14−16
21−24
ultra / 1080p
12−14
18−20
low / 720p
24−27
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 82% more, than Radeon HD 4770.
high / 1080p
−
14−16
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
0−1
low / 720p
4−5
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 375% more, than Radeon HD 4770.
low / 768p
8−9
55−60
medium / 768p
7−8
30−35
high / 1080p
3−4
18−20
ultra / 1080p
3−4
10−12
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 500% more, than Radeon HD 4770.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
12−14
35−40
high / 768p
30−33
50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 68% more, than Radeon HD 4770.
Full Specs
Radeon HD 4770
Radeon HD 6990
Architecture
TeraScale
TeraScale 3
Code name
RV740
Antilles
Type
Desktop
Desktop
Release date
28 April 2009
8 March 2011
Pipelines
640
1536
Core clock speed
750 MHz
830 MHz
Transistor count
826 million
2,640 million
Manufacturing process technology
40 nm
40 nm
Texture fill rate
24.00
79.68
Floating-point performance
960.0 gflops
2x 2,549.8 gflops
Length
203 mm
295 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
3200 MHz
5000 MHz
Memory bandwidth
51.2 GB/s
160.0 GB/s
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
N/A
Bitcoin / BTC (SHA256)
265 Mh/s
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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