Radeon HD 7990 vs Radeon HD 8870M
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7990 and Radeon HD 8870M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 7990 and Radeon HD 8870M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon HD 8870M is a Laptop Graphics Card
Note: Radeon HD 8870M 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 8870M here:
Main Specs
Radeon HD 7990
Radeon HD 8870M
Power consumption (TDP)
375 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5, DDR3
Maximum RAM amount
3 GB
2 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
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Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon HD 7990 has 1 GB more memory, than Radeon HD 8870M.
Radeon HD 7990 is used in Desktops, and Radeon HD 8870M - in Laptops.
Radeon HD 7990 is build with GCN 1.0 architecture, and Radeon HD 8870M - with GCN.
Core clock speed of Radeon HD 7990 is 225 MHz higher, than Radeon HD 8870M.
Radeon HD 7990 and Radeon HD 8870M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 1500 MHz higher, than Radeon HD 8870M.
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
35−40
7−8
ultra / 1080p
21−24
4−5
QHD / 1440p
16−18
0−1
4K / 2160p
10−11
−
low / 720p
60−65
18−20
medium / 1080p
40−45
9−10
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 310% more, than Radeon HD 8870M.
high / 1080p
55−60
12−14
ultra / 1080p
45−50
10−12
QHD / 1440p
35−40
0−1
4K / 2160p
18−20
−
low / 720p
100−110
27−30
medium / 1080p
60−65
14−16
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 325% more, than Radeon HD 8870M.
low / 768p
50−55
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7990 in Call of Duty: Warzone is 10% more, than Radeon HD 8870M.
low / 768p
250−260
140−150
medium / 768p
220−230
110−120
ultra / 1080p
180−190
55−60
QHD / 1440p
110−120
30−35
4K / 2160p
70−75
27−30
high / 768p
210−220
85−90
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 129% more, than Radeon HD 8870M.
low / 768p
60−65
55−60
ultra / 1080p
−
21−24
medium / 1080p
55−60
45−50
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon HD 8870M.
low / 768p
120−130
85−90
medium / 768p
110−120
60−65
ultra / 1080p
100−110
35−40
The average gaming FPS of Radeon HD 7990 in Dota 2 is 85% more, than Radeon HD 8870M.
high / 1080p
45−50
9−10
ultra / 1080p
40−45
8−9
QHD / 1440p
27−30
−
4K / 2160p
14−16
4−5
low / 720p
80−85
21−24
medium / 1080p
45−50
10−11
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 327% more, than Radeon HD 8870M.
high / 1080p
60−65
16−18
ultra / 1080p
45−50
10−12
QHD / 1440p
27−30
−
4K / 2160p
27−30
−
low / 720p
180−190
65−70
medium / 1080p
110−120
24−27
The average gaming FPS of Radeon HD 7990 in Fortnite is 240% more, than Radeon HD 8870M.
high / 1080p
60−65
12−14
ultra / 1080p
45−50
12−14
QHD / 1440p
30−35
2−3
4K / 2160p
24−27
−
low / 720p
100−110
27−30
medium / 1080p
65−70
14−16
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 350% more, than Radeon HD 8870M.
low / 768p
140−150
55−60
medium / 768p
120−130
45−50
high / 1080p
70−75
14−16
ultra / 1080p
30−35
7−8
QHD / 1440p
21−24
0−1
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 200% more, than Radeon HD 8870M.
high / 1080p
24−27
5−6
ultra / 1080p
20−22
3−4
QHD / 1440p
16−18
−
4K / 2160p
8−9
0−1
low / 720p
65−70
14−16
medium / 1080p
30−35
7−8
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 414% more, than Radeon HD 8870M.
low / 768p
130−140
95−100
high / 1080p
−
90−95
ultra / 1080p
−
80−85
medium / 1080p
120−130
95−100
The average gaming FPS of Radeon HD 7990 in Minecraft is 34% more, than Radeon HD 8870M.
high / 1080p
−
16−18
ultra / 1080p
14−16
14−16
low / 720p
100−110
35−40
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 100% more, than Radeon HD 8870M.
high / 1080p
24−27
−
ultra / 1080p
16−18
8−9
QHD / 1440p
10−11
0−1
4K / 2160p
7−8
−
low / 720p
65−70
14−16
medium / 1080p
35−40
10−12
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 263% more, than Radeon HD 8870M.
low / 768p
130−140
27−30
medium / 768p
85−90
18−20
high / 1080p
45−50
10−11
ultra / 1080p
24−27
7−8
4K / 2160p
16−18
6−7
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 342% more, than Radeon HD 8870M.
low / 768p
90−95
85−90
medium / 768p
60−65
45−50
ultra / 1080p
50−55
21−24
high / 768p
60−65
35−40
The average gaming FPS of Radeon HD 7990 in World of Tanks is 39% more, than Radeon HD 8870M.
Full Specs
Radeon HD 7990
Radeon HD 8870M
Architecture
GCN 1.0
GCN
Code name
Malta
Venus
Type
Desktop
Laptop
Release date
24 April 2013
18 December 2012
Pipelines
2048
640
Core clock speed
950 MHz
725 MHz
Boost Clock
1000 MHz
775 MHz
Transistor count
4,313 million
1,500 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
128.0
31.00
Floating-point performance
2x 4,096 gflops
992.0 gflops
Length
307 mm
Memory bus width
384 Bit
128 Bit
Memory clock speed
6000 MHz
4500 MHz
Memory bandwidth
288.0 GB/s
72 GB/s
Shared memory
-
DirectX
12 (11_1)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.2.131
1.2.131
Bitcoin / BTC (SHA256)
459 Mh/s
107 Mh/s
Laptop size
large
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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