Radeon HD 7870 vs Radeon HD 7990
In this comparison between Radeon HD 7870 and Radeon HD 7990 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 7870 will be the best choice, for others Radeon HD 7990 will be their preference. Study the comparison tables below and make your choice.
Main Specs
Radeon HD 7870
Radeon HD 7990
Power consumption (TDP)
175 Watt
375 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Display Connectors
1x DVI, 4x mini-DisplayPort
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Radeon HD 7990 has 114% more power consumption, than Radeon HD 7870.
Radeon HD 7990 has 1 GB more memory, than Radeon HD 7870.
Both cards are used in Desktops.
Radeon HD 7870 is build with GCN architecture, and Radeon HD 7990 - with GCN 1.0.
Core clock speed of Radeon HD 7870 is 50 MHz higher, than Radeon HD 7990.
Radeon HD 7870 and Radeon HD 7990 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7990 is 1200 MHz higher, than Radeon HD 7870.
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
24−27
35−40
ultra / 1080p
14−16
21−24
QHD / 1440p
9−10
16−18
4K / 2160p
6−7
10−11
low / 720p
45−50
60−65
medium / 1080p
30−33
40−45
The average gaming FPS of Radeon HD 7990 in Assassin's Creed Odyssey is 45% more, than Radeon HD 7870.
high / 1080p
35−40
55−60
ultra / 1080p
30−35
45−50
QHD / 1440p
16−18
35−40
4K / 2160p
10−11
18−20
low / 720p
75−80
100−110
medium / 1080p
40−45
60−65
The average gaming FPS of Radeon HD 7990 in Battlefield 5 is 50% more, than Radeon HD 7870.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
Radeon HD 7870 and Radeon HD 7990 have the same average FPS in Call of Duty: Warzone.
low / 768p
240−250
250−260
medium / 768p
210−220
220−230
ultra / 1080p
130−140
180−190
QHD / 1440p
100−110
110−120
4K / 2160p
60−65
70−75
high / 768p
180−190
210−220
The average gaming FPS of Radeon HD 7990 in Counter-Strike: Global Offensive is 12% more, than Radeon HD 7870.
low / 768p
60−65
60−65
medium / 1080p
55−60
55−60
Radeon HD 7870 and Radeon HD 7990 have the same average FPS in Cyberpunk 2077.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
85−90
100−110
The average gaming FPS of Radeon HD 7990 in Dota 2 is 5% more, than Radeon HD 7870.
high / 1080p
30−33
45−50
ultra / 1080p
27−30
40−45
QHD / 1440p
21−24
27−30
4K / 2160p
9−10
14−16
low / 720p
60−65
80−85
medium / 1080p
30−35
45−50
The average gaming FPS of Radeon HD 7990 in Far Cry 5 is 38% more, than Radeon HD 7870.
high / 1080p
35−40
60−65
ultra / 1080p
30−33
45−50
QHD / 1440p
18−20
27−30
4K / 2160p
−
27−30
low / 720p
130−140
180−190
medium / 1080p
80−85
110−120
The average gaming FPS of Radeon HD 7990 in Fortnite is 42% more, than Radeon HD 7870.
high / 1080p
40−45
60−65
ultra / 1080p
30−33
45−50
QHD / 1440p
18−20
30−35
4K / 2160p
14−16
24−27
low / 720p
75−80
100−110
medium / 1080p
45−50
65−70
The average gaming FPS of Radeon HD 7990 in Forza Horizon 4 is 47% more, than Radeon HD 7870.
low / 768p
110−120
140−150
medium / 768p
100−110
120−130
high / 1080p
45−50
70−75
ultra / 1080p
20−22
30−35
QHD / 1440p
10−11
21−24
The average gaming FPS of Radeon HD 7990 in Grand Theft Auto V is 33% more, than Radeon HD 7870.
high / 1080p
14−16
24−27
ultra / 1080p
12−14
20−22
QHD / 1440p
10−12
16−18
4K / 2160p
4−5
8−9
low / 720p
45−50
65−70
medium / 1080p
21−24
30−35
The average gaming FPS of Radeon HD 7990 in Metro Exodus is 55% more, than Radeon HD 7870.
low / 768p
120−130
130−140
medium / 1080p
110−120
120−130
The average gaming FPS of Radeon HD 7990 in Minecraft is 8% more, than Radeon HD 7870.
ultra / 1080p
14−16
14−16
low / 720p
75−80
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 24% more, than Radeon HD 7870.
high / 1080p
16−18
24−27
ultra / 1080p
10−12
16−18
QHD / 1440p
4−5
10−11
4K / 2160p
2−3
7−8
low / 720p
45−50
65−70
medium / 1080p
24−27
35−40
The average gaming FPS of Radeon HD 7990 in Red Dead Redemption 2 is 50% more, than Radeon HD 7870.
low / 768p
85−90
130−140
medium / 768p
50−55
85−90
high / 1080p
30−33
45−50
ultra / 1080p
16−18
24−27
4K / 2160p
10−11
16−18
The average gaming FPS of Radeon HD 7990 in The Witcher 3: Wild Hunt is 58% more, than Radeon HD 7870.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
45−50
50−55
high / 768p
55−60
60−65
The average gaming FPS of Radeon HD 7990 in World of Tanks is 3% more, than Radeon HD 7870.
Full Specs
Radeon HD 7870
Radeon HD 7990
Architecture
GCN
GCN 1.0
Code name
Pitcairn XT
Malta
Type
Desktop
Desktop
Release date
5 March 2012
24 April 2013
Pipelines
1280
2048
Core clock speed
1000 MHz
950 MHz
Boost Clock
1000 MHz
Transistor count
2800 Million
4,313 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
128.0
Floating-point performance
2x 4,096 gflops
Length
307 mm
Memory bus width
256 Bit
384 Bit
Memory clock speed
4800 MHz
6000 MHz
Memory bandwidth
288.0 GB/s
Shared memory
-
DirectX
DirectX 11.1, Shader 5.1
12 (11_1)
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
Monero / XMR (CryptoNight)
0.39 kh/s
Bitcoin / BTC (SHA256)
459 Mh/s
Eyefinity
+
Decred / DCR (Decred)
0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)
16.6 Mh/s
44 Mh/s
Zcash / ZEC (Equihash)
145 Sol/s
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