Radeon HD 4870 vs Radeon HD 6990M Crossfire
In this comparison between Radeon HD 4870 and Radeon HD 6990M Crossfire 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 4870 will be the best choice, for others Radeon HD 6990M Crossfire will be their preference. Study the comparison tables below and make your choice.
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 4870
Radeon HD 6990M Crossfire
Power consumption (TDP)
150 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2x2 GB
Display Connectors
2x DVI, 1x S-Video
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Radeon HD 6990M Crossfire has 1 GB more memory, than Radeon HD 4870.
Radeon HD 4870 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
Radeon HD 4870 is build with TeraScale architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Radeon HD 4870 is 35 MHz higher, than Radeon HD 6990M Crossfire.
Radeon HD 4870 is manufactured by 55 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of Radeon HD 4870 is 2700 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
3−4
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
6−7
40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than Radeon HD 4870.
high / 1080p
8−9
55−60
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
21−24
100−110
medium / 1080p
9−10
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 518% more, than Radeon HD 4870.
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 4870.
low / 768p
120−130
250−260
medium / 768p
100−110
220−230
ultra / 1080p
45−50
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
−
70−75
high / 768p
75−80
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 161% more, than Radeon HD 4870.
low / 768p
70−75
60−65
ultra / 1080p
21−24
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 5% more, than Radeon HD 4870.
low / 768p
75−80
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 109% more, than Radeon HD 4870.
high / 1080p
4−5
45−50
ultra / 1080p
4−5
40−45
QHD / 1440p
−
27−30
4K / 2160p
1−2
14−16
low / 720p
14−16
80−85
medium / 1080p
6−7
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 683% more, than Radeon HD 4870.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
4−5
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
18−20
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 314% more, than Radeon HD 4870.
high / 1080p
7−8
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
21−24
100−110
medium / 1080p
10−11
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 483% more, than Radeon HD 4870.
low / 768p
50−55
140−150
medium / 768p
−
120−130
high / 1080p
10−11
70−75
ultra / 1080p
4−5
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 277% more, than Radeon HD 4870.
high / 1080p
2−3
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
9−10
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 720% more, than Radeon HD 4870.
low / 768p
85−90
130−140
high / 1080p
70−75
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 55% more, than Radeon HD 4870.
ultra / 1080p
12−14
14−16
low / 720p
30−35
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 130% more, than Radeon HD 4870.
high / 1080p
7−8
24−27
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
8−9
65−70
medium / 1080p
8−9
35−40
The average gaming FPS of Radeon HD 6990M Crossfire in Red Dead Redemption 2 is 414% more, than Radeon HD 4870.
low / 768p
18−20
130−140
medium / 768p
12−14
85−90
high / 1080p
7−8
45−50
ultra / 1080p
5−6
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 588% more, than Radeon HD 4870.
low / 768p
75−80
90−95
medium / 768p
40−45
60−65
ultra / 1080p
18−20
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in World of Tanks is 59% more, than Radeon HD 4870.
Full Specs
Radeon HD 4870
Radeon HD 6990M Crossfire
Architecture
TeraScale
Terascale 2
Code name
RV770
Blackcomb XTX
Type
Desktop
Laptop
Release date
25 June 2008
12 July 2011
Pipelines
800
2240
Core clock speed
750 MHz
715 MHz
Transistor count
956 million
2x1700 Million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
30.00
Floating-point performance
1,200.0 gflops
Length
250 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
3600 MHz
900 MHz
Memory bandwidth
115.2 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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