Radeon HD 4850 vs Radeon HD 6990M Crossfire
When choosing between Radeon HD 4850 and Radeon HD 6990M Crossfire, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 4850 and Radeon HD 6990M Crossfire.
Radeon HD 6990M Crossfire is a Laptop Graphics Card
Note: Radeon HD 6990M Crossfire 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 Crossfire here:
Main Specs
Radeon HD 4850
Radeon HD 6990M Crossfire
Power consumption (TDP)
110 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
2x2 GB
Display Connectors
2x DVI, 1x S-Video
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Radeon HD 4850 has 510 GB more memory, than Radeon HD 6990M Crossfire.
Radeon HD 4850 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
Radeon HD 4850 is build with Terascale 1 architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 6990M Crossfire is 90 MHz higher, than Radeon HD 4850.
Radeon HD 4850 is manufactured by 55 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of Radeon HD 4850 is 93 MHz higher, than Radeon HD 6990M Crossfire.
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
1−2
35−40
ultra / 1080p
0−1
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
12−14
60−65
medium / 1080p
3−4
40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 683% more, than Radeon HD 4850.
high / 1080p
6−7
55−60
ultra / 1080p
4−5
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
16−18
100−110
medium / 1080p
6−7
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 750% more, than Radeon HD 4850.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Radeon HD 4850.
low / 768p
120−130
250−260
medium / 768p
95−100
220−230
ultra / 1080p
40−45
180−190
QHD / 1440p
21−24
110−120
4K / 2160p
10−11
70−75
high / 768p
65−70
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 195% more, than Radeon HD 4850.
low / 768p
85−90
60−65
ultra / 1080p
18−20
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 8% more, than Radeon HD 6990M Crossfire.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
27−30
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 105% more, than Radeon HD 4850.
high / 1080p
2−3
45−50
ultra / 1080p
2−3
40−45
QHD / 1440p
−
27−30
4K / 2160p
1−2
14−16
low / 720p
10−12
80−85
medium / 1080p
3−4
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 1075% more, than Radeon HD 4850.
high / 1080p
10−11
60−65
ultra / 1080p
5−6
45−50
QHD / 1440p
1−2
27−30
4K / 2160p
−
27−30
low / 720p
50−55
180−190
medium / 1080p
12−14
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 443% more, than Radeon HD 4850.
high / 1080p
5−6
60−65
ultra / 1080p
−
45−50
QHD / 1440p
3−4
30−35
4K / 2160p
2−3
24−27
low / 720p
16−18
100−110
medium / 1080p
7−8
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 728% more, than Radeon HD 4850.
low / 768p
45−50
140−150
medium / 768p
35−40
120−130
high / 1080p
6−7
70−75
ultra / 1080p
3−4
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 304% more, than Radeon HD 4850.
high / 1080p
1−2
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
−
8−9
low / 720p
5−6
65−70
medium / 1080p
3−4
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 1266% more, than Radeon HD 4850.
low / 768p
95−100
130−140
high / 1080p
60−65
−
medium / 1080p
85−90
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 41% more, than Radeon HD 4850.
ultra / 1080p
12−14
14−16
low / 720p
27−30
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than Radeon HD 4850.
high / 1080p
−
24−27
ultra / 1080p
−
16−18
QHD / 1440p
−
10−11
4K / 2160p
−
7−8
low / 720p
5−6
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 1240% more, than Radeon HD 4850.
low / 768p
12−14
130−140
medium / 768p
9−10
85−90
high / 1080p
5−6
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 933% more, than Radeon HD 4850.
low / 768p
65−70
90−95
medium / 768p
35−40
60−65
ultra / 1080p
14−16
50−55
high / 768p
27−30
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 81% more, than Radeon HD 4850.
Full Specs
Radeon HD 4850
Radeon HD 6990M Crossfire
Architecture
Terascale 1
Terascale 2
Code name
RV770
Blackcomb XTX
Type
Desktop
Laptop
Release date
25 June 2008
12 July 2011
Pipelines
800
2240
Core clock speed
625 MHz
715 MHz
Transistor count
956 million
2x1700 Million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
25.00
Floating-point performance
1,000.0 gflops
Length
246 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
993 MHz
900 MHz
Memory bandwidth
63.55 GB/s
Shared memory
-
DirectX
10.1 (10_1)
DirectX 11, Shader 5.0
Shader Model
4.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Laptop size
large
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