Radeon HD 6990 vs Radeon R7 Carrizo
In this comparison between Radeon HD 6990 and Radeon R7 Carrizo 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 6990 will be the best choice, for others Radeon R7 Carrizo will be their preference. Study the comparison tables below and make your choice.
Radeon R7 Carrizo is a Laptop Graphics Card
Note: Radeon R7 Carrizo 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 R7 Carrizo here:
Main Specs
Radeon HD 6990
Radeon R7 Carrizo
Power consumption (TDP)
375 Watt
12-35 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 3025% more power consumption, than Radeon R7 Carrizo.
Radeon HD 6990 is used in Desktops, and Radeon R7 Carrizo - in Laptops.
Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R7 Carrizo - with GCN 1.2/2.0.
Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R7 Carrizo - 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
14−16
2−3
ultra / 1080p
9−10
0−1
QHD / 1440p
3−4
0−1
low / 720p
30−35
12−14
medium / 1080p
18−20
5−6
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 214% more, than Radeon R7 Carrizo.
high / 1080p
24−27
6−7
ultra / 1080p
21−24
5−6
QHD / 1440p
7−8
0−1
4K / 2160p
5−6
−
low / 720p
50−55
16−18
medium / 1080p
27−30
7−8
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 255% more, than Radeon R7 Carrizo.
low / 768p
45−50
45−50
high / 1080p
−
40−45
QHD / 1440p
0−1
0−1
Radeon HD 6990 and Radeon R7 Carrizo have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
110−120
medium / 768p
170−180
90−95
ultra / 1080p
95−100
40−45
QHD / 1440p
50−55
24−27
4K / 2160p
30−33
−
high / 768p
140−150
65−70
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 101% more, than Radeon R7 Carrizo.
low / 768p
55−60
70−75
ultra / 1080p
40−45
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 11% more, than Radeon R7 Carrizo.
low / 768p
110−120
70−75
medium / 768p
90−95
50−55
ultra / 1080p
60−65
27−30
The average gaming FPS of Radeon HD 6990 in Dota 2 is 76% more, than Radeon R7 Carrizo.
high / 1080p
18−20
3−4
ultra / 1080p
16−18
3−4
4K / 2160p
6−7
0−1
low / 720p
35−40
14−16
medium / 1080p
18−20
5−6
The average gaming FPS of Radeon HD 6990 in Far Cry 5 is 283% more, than Radeon R7 Carrizo.
high / 1080p
24−27
10−12
ultra / 1080p
18−20
6−7
QHD / 1440p
16−18
4−5
low / 720p
95−100
55−60
medium / 1080p
50−55
12−14
The average gaming FPS of Radeon HD 6990 in Fortnite is 133% more, than Radeon R7 Carrizo.
high / 1080p
24−27
7−8
ultra / 1080p
20−22
6−7
QHD / 1440p
9−10
0−1
low / 720p
50−55
20−22
medium / 1080p
27−30
10−11
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 181% more, than Radeon R7 Carrizo.
low / 768p
85−90
45−50
medium / 768p
75−80
−
high / 1080p
30−33
7−8
ultra / 1080p
12−14
3−4
QHD / 1440p
3−4
0−1
medium / 720p
−
35−40
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 131% more, than Radeon R7 Carrizo.
high / 1080p
9−10
1−2
ultra / 1080p
7−8
0−1
4K / 2160p
2−3
0−1
low / 720p
27−30
6−7
medium / 1080p
12−14
3−4
The average gaming FPS of Radeon HD 6990 in Metro Exodus is 466% more, than Radeon R7 Carrizo.
low / 768p
110−120
85−90
high / 1080p
−
65−70
ultra / 1080p
100−110
−
medium / 1080p
100−110
−
The average gaming FPS of Radeon HD 6990 in Minecraft is 32% more, than Radeon R7 Carrizo.
high / 1080p
21−24
−
ultra / 1080p
18−20
12−14
low / 720p
55−60
27−30
medium / 1080p
24−27
14−16
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% more, than Radeon R7 Carrizo.
high / 1080p
14−16
−
ultra / 1080p
9−10
3−4
QHD / 1440p
0−1
0−1
low / 720p
27−30
6−7
medium / 1080p
16−18
−
The average gaming FPS of Radeon HD 6990 in Red Dead Redemption 2 is 280% more, than Radeon R7 Carrizo.
low / 768p
55−60
14−16
medium / 768p
30−35
10−12
high / 1080p
18−20
5−6
ultra / 1080p
10−12
4−5
4K / 2160p
8−9
0−1
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 233% more, than Radeon R7 Carrizo.
low / 768p
100−110
70−75
medium / 768p
60−65
35−40
ultra / 1080p
35−40
14−16
high / 768p
50−55
27−30
The average gaming FPS of Radeon HD 6990 in World of Tanks is 68% more, than Radeon R7 Carrizo.
Full Specs
Radeon HD 6990
Radeon R7 Carrizo
Architecture
TeraScale 3
GCN 1.2/2.0
Code name
Antilles
Carrizo
Type
Desktop
Laptop
Release date
8 March 2011
4 June 2015
Pipelines
1536
512
Core clock speed
830 MHz
Boost Clock
800 MHz
Transistor count
2,640 million
2410 Million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
79.68
Floating-point performance
2x 2,549.8 gflops
Length
295 mm
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
5000 MHz
Memory bandwidth
160.0 GB/s
Shared memory
+
DirectX
11.2 (11_0)
DirectX 12 (FL 12_0)
Shader Model
5.0
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Bitcoin / BTC (SHA256)
265 Mh/s
Laptop size
medium sized
Ethereum / ETH (DaggerHashimoto)
24 Mh/s
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