Radeon HD 6990M vs Radeon R9 280
In this comparison between Radeon HD 6990M and Radeon R9 280 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 6990M will be the best choice, for others Radeon R9 280 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 6990M
Radeon R9 280
Power consumption (TDP)
100 Watt
200 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
1 x 6-pin + 1 x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Display Connectors
No outputs
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon R9 280 has 100% more power consumption, than Radeon HD 6990M.
Radeon HD 6990M is connected by MXM-B (3.0), and Radeon R9 280 uses PCIe 3.0 x16 interface.
Radeon R9 280 has 1 GB more memory, than Radeon HD 6990M.
Radeon HD 6990M is used in Laptops, and Radeon R9 280 - in Desktops.
Radeon HD 6990M is build with Terascale 2 architecture, and Radeon R9 280 - with GCN 1.0.
Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon R9 280 - by 28 nm process technology.
Memory clock speed of Radeon R9 280 is 350 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
14−16
35−40
ultra / 1080p
8−9
21−24
QHD / 1440p
3−4
16−18
4K / 2160p
−
10−11
low / 720p
30−33
60−65
medium / 1080p
16−18
40−45
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 140% more, than Radeon HD 6990M.
high / 1080p
21−24
55−60
ultra / 1080p
18−20
45−50
QHD / 1440p
6−7
35−40
4K / 2160p
5−6
18−20
low / 720p
45−50
100−110
medium / 1080p
24−27
60−65
The average gaming FPS of Radeon R9 280 in Battlefield 5 is 157% more, than Radeon HD 6990M.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 280 in Call of Duty: Warzone is 10% more, than Radeon HD 6990M.
low / 768p
200−210
250−260
medium / 768p
170−180
220−230
ultra / 1080p
90−95
180−190
QHD / 1440p
50−55
110−120
4K / 2160p
30−33
70−75
high / 768p
130−140
210−220
The average gaming FPS of Radeon R9 280 in Counter-Strike: Global Offensive is 53% more, than Radeon HD 6990M.
low / 768p
55−60
60−65
ultra / 1080p
35−40
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 280 in Cyberpunk 2077 is 15% more, than Radeon HD 6990M.
low / 768p
100−110
120−130
medium / 768p
90−95
110−120
ultra / 1080p
60−65
100−110
The average gaming FPS of Radeon R9 280 in Dota 2 is 33% more, than Radeon HD 6990M.
high / 1080p
16−18
45−50
ultra / 1080p
14−16
40−45
QHD / 1440p
−
27−30
4K / 2160p
6−7
14−16
low / 720p
35−40
80−85
medium / 1080p
18−20
45−50
The average gaming FPS of Radeon R9 280 in Far Cry 5 is 147% more, than Radeon HD 6990M.
high / 1080p
24−27
60−65
ultra / 1080p
18−20
45−50
QHD / 1440p
16−18
27−30
4K / 2160p
−
27−30
low / 720p
95−100
180−190
medium / 1080p
50−55
110−120
The average gaming FPS of Radeon R9 280 in Fortnite is 107% more, than Radeon HD 6990M.
high / 1080p
24−27
60−65
ultra / 1080p
18−20
45−50
QHD / 1440p
8−9
30−35
4K / 2160p
−
24−27
low / 720p
50−55
100−110
medium / 1080p
27−30
65−70
The average gaming FPS of Radeon R9 280 in Forza Horizon 4 is 142% more, than Radeon HD 6990M.
low / 768p
80−85
140−150
medium / 768p
70−75
120−130
high / 1080p
27−30
70−75
ultra / 1080p
10−12
30−35
QHD / 1440p
2−3
21−24
The average gaming FPS of Radeon R9 280 in Grand Theft Auto V is 102% more, than Radeon HD 6990M.
high / 1080p
9−10
24−27
ultra / 1080p
7−8
20−22
QHD / 1440p
−
16−18
4K / 2160p
2−3
8−9
low / 720p
27−30
65−70
medium / 1080p
12−14
30−35
The average gaming FPS of Radeon R9 280 in Metro Exodus is 158% more, than Radeon HD 6990M.
low / 768p
110−120
130−140
ultra / 1080p
100−110
−
medium / 1080p
100−110
120−130
The average gaming FPS of Radeon R9 280 in Minecraft is 18% more, than Radeon HD 6990M.
high / 1080p
21−24
−
ultra / 1080p
16−18
14−16
low / 720p
55−60
100−110
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon R9 280 in PLAYERUNKNOWN'S BATTLEGROUNDS is 39% more, than Radeon HD 6990M.
high / 1080p
14−16
24−27
ultra / 1080p
9−10
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
27−30
65−70
medium / 1080p
16−18
35−40
The average gaming FPS of Radeon R9 280 in Red Dead Redemption 2 is 111% more, than Radeon HD 6990M.
low / 768p
50−55
130−140
medium / 768p
30−35
85−90
high / 1080p
18−20
45−50
ultra / 1080p
10−11
24−27
4K / 2160p
8−9
16−18
The average gaming FPS of Radeon R9 280 in The Witcher 3: Wild Hunt is 158% more, than Radeon HD 6990M.
low / 768p
100−105
90−95
medium / 768p
60−65
60−65
ultra / 1080p
30−35
50−55
high / 768p
50−55
60−65
The average gaming FPS of Radeon R9 280 in World of Tanks is 8% more, than Radeon HD 6990M.
Full Specs
Radeon HD 6990M
Radeon R9 280
Architecture
Terascale 2
GCN 1.0
Code name
Blackcomb XTX
Tahiti
Type
Laptop
Desktop
Release date
12 July 2011
4 March 2014
Pipelines
1120
1792
Core clock speed
715 MHz
Boost Clock
933 MHz
Transistor count
1,700 million
4,313 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
40.04
104.5
Floating-point performance
1,601.6 gflops
3,344 gflops
Length
275 mm
Memory bus width
256 Bit
384 Bit
Memory clock speed
900 MHz
1250 MHz
Memory bandwidth
115.2 GB/s
240 GB/s
Shared memory
-
DirectX
11.2 (11_0)
Shader Model
5.0
5.1
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
+
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
408 Mh/s
Laptop size
large
Eyefinity
+
HD3D
+
TrueAudio
+
Design
reference
CrossFire
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
21.5 Mh/s
LiquidVR
+
TressFX
+
UVD
+
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