Radeon HD 6990M vs Radeon HD 7870
In this comparison between Radeon HD 6990M and Radeon HD 7870 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 HD 7870 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 HD 7870
Power consumption (TDP)
100 Watt
175 Watt
Interface
MXM-B (3.0)
Supplementary power connectors
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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Radeon HD 7870 has 75% more power consumption, than Radeon HD 6990M.
Radeon HD 6990M and Radeon HD 7870 have maximum RAM of 2 GB.
Radeon HD 6990M is used in Laptops, and Radeon HD 7870 - in Desktops.
Radeon HD 6990M is build with Terascale 2 architecture, and Radeon HD 7870 - with GCN.
Core clock speed of Radeon HD 7870 is 285 MHz higher, than Radeon HD 6990M.
Radeon HD 6990M is manufactured by 40 nm process technology, and Radeon HD 7870 - by 28 nm process technology.
Memory clock speed of Radeon HD 7870 is 3900 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
24−27
ultra / 1080p
8−9
14−16
QHD / 1440p
3−4
9−10
4K / 2160p
−
6−7
low / 720p
30−33
45−50
medium / 1080p
16−18
30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 66% more, than Radeon HD 6990M.
high / 1080p
21−24
35−40
ultra / 1080p
18−20
30−35
QHD / 1440p
6−7
16−18
4K / 2160p
5−6
10−11
low / 720p
45−50
75−80
medium / 1080p
24−27
40−45
The average gaming FPS of Radeon HD 7870 in Battlefield 5 is 71% more, than Radeon HD 6990M.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7870 in Call of Duty: Warzone is 10% more, than Radeon HD 6990M.
low / 768p
200−210
240−250
medium / 768p
170−180
210−220
ultra / 1080p
90−95
130−140
QHD / 1440p
50−55
100−110
4K / 2160p
30−33
60−65
high / 768p
130−140
180−190
The average gaming FPS of Radeon HD 7870 in Counter-Strike: Global Offensive is 36% 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 HD 7870 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
85−90
The average gaming FPS of Radeon HD 7870 in Dota 2 is 26% more, than Radeon HD 6990M.
high / 1080p
16−18
30−33
ultra / 1080p
14−16
27−30
QHD / 1440p
−
21−24
4K / 2160p
6−7
9−10
low / 720p
35−40
60−65
medium / 1080p
18−20
30−35
The average gaming FPS of Radeon HD 7870 in Far Cry 5 is 68% more, than Radeon HD 6990M.
high / 1080p
24−27
35−40
ultra / 1080p
18−20
30−33
QHD / 1440p
16−18
18−20
low / 720p
95−100
130−140
medium / 1080p
50−55
80−85
The average gaming FPS of Radeon HD 7870 in Fortnite is 45% more, than Radeon HD 6990M.
high / 1080p
24−27
40−45
ultra / 1080p
18−20
30−33
QHD / 1440p
8−9
18−20
4K / 2160p
−
14−16
low / 720p
50−55
75−80
medium / 1080p
27−30
45−50
The average gaming FPS of Radeon HD 7870 in Forza Horizon 4 is 65% more, than Radeon HD 6990M.
low / 768p
80−85
110−120
medium / 768p
70−75
100−110
high / 1080p
27−30
45−50
ultra / 1080p
10−12
20−22
QHD / 1440p
2−3
10−11
The average gaming FPS of Radeon HD 7870 in Grand Theft Auto V is 51% more, than Radeon HD 6990M.
high / 1080p
9−10
14−16
ultra / 1080p
7−8
12−14
QHD / 1440p
−
10−12
4K / 2160p
2−3
4−5
low / 720p
27−30
45−50
medium / 1080p
12−14
21−24
The average gaming FPS of Radeon HD 7870 in Metro Exodus is 66% more, than Radeon HD 6990M.
low / 768p
110−120
120−130
ultra / 1080p
100−110
−
medium / 1080p
100−110
110−120
The average gaming FPS of Radeon HD 7870 in Minecraft is 9% more, than Radeon HD 6990M.
high / 1080p
21−24
−
ultra / 1080p
16−18
14−16
low / 720p
55−60
75−80
medium / 1080p
24−27
18−20
The average gaming FPS of Radeon HD 7870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 12% more, than Radeon HD 6990M.
high / 1080p
14−16
16−18
ultra / 1080p
9−10
10−12
QHD / 1440p
0−1
4−5
4K / 2160p
−
2−3
low / 720p
27−30
45−50
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 7870 in Red Dead Redemption 2 is 47% more, than Radeon HD 6990M.
low / 768p
50−55
85−90
medium / 768p
30−35
50−55
high / 1080p
18−20
30−33
ultra / 1080p
10−11
16−18
4K / 2160p
8−9
10−11
The average gaming FPS of Radeon HD 7870 in The Witcher 3: Wild Hunt is 62% more, than Radeon HD 6990M.
low / 768p
100−105
90−95
medium / 768p
60−65
60−65
ultra / 1080p
30−35
45−50
high / 768p
50−55
55−60
The average gaming FPS of Radeon HD 7870 in World of Tanks is 4% more, than Radeon HD 6990M.
Full Specs
Radeon HD 6990M
Radeon HD 7870
Architecture
Terascale 2
GCN
Code name
Blackcomb XTX
Pitcairn XT
Type
Laptop
Desktop
Release date
12 July 2011
5 March 2012
Pipelines
1120
1280
Core clock speed
715 MHz
1000 MHz
Transistor count
1,700 million
2800 Million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
40.04
Floating-point performance
1,601.6 gflops
Memory bus width
256 Bit
256 Bit
Memory clock speed
900 MHz
4800 MHz
Memory bandwidth
115.2 GB/s
Shared memory
-
-
DirectX
11.2 (11_0)
DirectX 11.1, Shader 5.1
Shader Model
5.0
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Monero / XMR (CryptoNight)
0.39 kh/s
Laptop size
large
Eyefinity
+
Decred / DCR (Decred)
0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)
16.6 Mh/s
Zcash / ZEC (Equihash)
145 Sol/s
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