Radeon HD 7850M vs Radeon HD 7990
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7850M and Radeon HD 7990. 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 7850M and Radeon HD 7990. 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 7850M is a Laptop Graphics Card
Note: Radeon HD 7850M 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 7850M here:
Main Specs
Radeon HD 7850M
Radeon HD 7990
Power consumption (TDP)
40 Watt
375 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 837% more power consumption, than Radeon HD 7850M.
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 7850M.
Radeon HD 7850M is used in Laptops, and Radeon HD 7990 - in Desktops.
Radeon HD 7850M is build with GCN architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7990 is 275 MHz higher, than Radeon HD 7850M.
Radeon HD 7850M and Radeon HD 7990 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 2000 MHz higher, than Radeon HD 7850M.
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
6−7
35−40
ultra / 1080p
3−4
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
7−8
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 412% more, than Radeon HD 7850M.
high / 1080p
10−12
55−60
ultra / 1080p
9−10
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
21−24
100−110
medium / 1080p
10−12
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 423% more, than Radeon HD 7850M.
low / 768p
45−50
50−55
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 7850M.
low / 768p
120−130
250−260
medium / 768p
100−110
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
27−30
110−120
4K / 2160p
−
70−75
high / 768p
75−80
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 158% more, than Radeon HD 7850M.
low / 768p
55−60
60−65
ultra / 1080p
16−18
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7990 in Cyberpunk 2077 is 15% more, than Radeon HD 7850M.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 101% more, than Radeon HD 7850M.
high / 1080p
7−8
45−50
ultra / 1080p
7−8
40−45
QHD / 1440p
−
27−30
4K / 2160p
3−4
14−16
low / 720p
16−18
80−85
medium / 1080p
8−9
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 487% more, than Radeon HD 7850M.
high / 1080p
14−16
60−65
ultra / 1080p
10−11
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
55−60
180−190
medium / 1080p
20−22
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 292% more, than Radeon HD 7850M.
high / 1080p
10−11
60−65
ultra / 1080p
−
45−50
QHD / 1440p
−
30−35
4K / 2160p
8−9
24−27
low / 720p
24−27
100−110
medium / 1080p
12−14
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 364% more, than Radeon HD 7850M.
low / 768p
50−55
140−150
medium / 768p
40−45
120−130
high / 1080p
10−12
70−75
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 232% more, than Radeon HD 7850M.
high / 1080p
4−5
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
10−12
65−70
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 500% more, than Radeon HD 7850M.
low / 768p
90−95
130−140
high / 1080p
85−90
−
ultra / 1080p
75−80
−
medium / 1080p
90−95
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 41% more, than Radeon HD 7850M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−33
100−110
medium / 1080p
16−18
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 119% more, than Radeon HD 7850M.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
10−12
65−70
medium / 1080p
10−11
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 344% more, than Radeon HD 7850M.
low / 768p
21−24
130−140
medium / 768p
14−16
85−90
high / 1080p
8−9
45−50
ultra / 1080p
6−7
24−27
4K / 2160p
−
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 461% more, than Radeon HD 7850M.
low / 768p
85−90
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
50−55
high / 768p
35−40
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 45% more, than Radeon HD 7850M.
Full Specs
Radeon HD 7850M
Radeon HD 7990
Architecture
GCN
GCN 1.0
Code name
Heathrow Pro
Malta
Type
Laptop
Desktop
Release date
24 April 2012
24 April 2013
Pipelines
640
2048
Core clock speed
675 MHz
950 MHz
Boost Clock
1000 MHz
Transistor count
1,500 million
4,313 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
27.00
128.0
Floating-point performance
864.0 gflops
2x 4,096 gflops
Length
307 mm
Memory bus width
128 Bit
384 Bit
Memory clock speed
4000 MHz
6000 MHz
Memory bandwidth
64 GB/s
288.0 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
Laptop size
large
Ethereum / ETH (DaggerHashimoto)
44 Mh/s
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