Radeon HD 7870 vs Radeon R9 390X
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7870 and Radeon R9 390X. 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 7870 and Radeon R9 390X. 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.
Main Specs
Radeon HD 7870
Radeon R9 390X
Power consumption (TDP)
175 Watt
275 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 390X has 57% more power consumption, than Radeon HD 7870.
Both cards are used in Desktops.
Radeon HD 7870 and Radeon R9 390X are build with GCN architecture.
Radeon HD 7870 and Radeon R9 390X are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7870 is 3750 MHz higher, than Radeon R9 390X.
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
50−55
ultra / 1080p
14−16
30−35
QHD / 1440p
9−10
24−27
4K / 2160p
6−7
14−16
low / 720p
45−50
75−80
medium / 1080p
30−33
55−60
The average gaming FPS of Radeon R9 390X in Assassin's Creed Odyssey is 95% more, than Radeon HD 7870.
high / 1080p
35−40
75−80
ultra / 1080p
30−35
65−70
QHD / 1440p
16−18
50−55
4K / 2160p
10−11
27−30
low / 720p
75−80
130−140
medium / 1080p
40−45
85−90
The average gaming FPS of Radeon R9 390X in Battlefield 5 is 105% more, than Radeon HD 7870.
low / 768p
50−55
45−50
QHD / 1440p
0−1
45−50
The average gaming FPS of Radeon HD 7870 in Call of Duty: Warzone is 10% more, than Radeon R9 390X.
low / 768p
240−250
250−260
medium / 768p
210−220
230−240
ultra / 1080p
130−140
−
QHD / 1440p
100−110
150−160
4K / 2160p
60−65
100−110
high / 768p
180−190
220−230
The average gaming FPS of Radeon R9 390X in Counter-Strike: Global Offensive is 20% more, than Radeon HD 7870.
low / 768p
60−65
70−75
medium / 1080p
55−60
50−55
The average gaming FPS of Radeon R9 390X in Cyberpunk 2077 is 3% more, than Radeon HD 7870.
low / 768p
120−130
120−130
medium / 768p
110−120
110−120
ultra / 1080p
85−90
110−120
The average gaming FPS of Radeon R9 390X in Dota 2 is 8% more, than Radeon HD 7870.
high / 1080p
30−33
60−65
ultra / 1080p
27−30
60−65
QHD / 1440p
21−24
40−45
4K / 2160p
9−10
21−24
low / 720p
60−65
100−110
medium / 1080p
30−35
65−70
The average gaming FPS of Radeon R9 390X in Far Cry 5 is 93% more, than Radeon HD 7870.
high / 1080p
35−40
90−95
ultra / 1080p
30−33
70−75
QHD / 1440p
18−20
45−50
4K / 2160p
−
21−24
low / 720p
130−140
210−220
medium / 1080p
80−85
140−150
The average gaming FPS of Radeon R9 390X in Fortnite is 86% more, than Radeon HD 7870.
high / 1080p
40−45
80−85
ultra / 1080p
30−33
65−70
QHD / 1440p
18−20
45−50
4K / 2160p
14−16
30−35
low / 720p
75−80
130−140
medium / 1080p
45−50
90−95
The average gaming FPS of Radeon R9 390X in Forza Horizon 4 is 100% more, than Radeon HD 7870.
low / 768p
110−120
160−170
medium / 768p
100−110
150−160
high / 1080p
45−50
95−100
ultra / 1080p
20−22
45−50
QHD / 1440p
10−11
35−40
The average gaming FPS of Radeon R9 390X in Grand Theft Auto V is 69% more, than Radeon HD 7870.
high / 1080p
14−16
35−40
ultra / 1080p
12−14
30−35
QHD / 1440p
10−12
24−27
4K / 2160p
4−5
14−16
low / 720p
45−50
90−95
medium / 1080p
21−24
50−55
The average gaming FPS of Radeon R9 390X in Metro Exodus is 133% more, than Radeon HD 7870.
low / 768p
120−130
120−130
medium / 1080p
110−120
−
Radeon HD 7870 and Radeon R9 390X have the same average FPS in Minecraft.
high / 1080p
−
75−80
ultra / 1080p
14−16
50−55
4K / 2160p
−
18−20
low / 720p
75−80
120−130
medium / 1080p
18−20
85−90
The average gaming FPS of Radeon R9 390X in PLAYERUNKNOWN'S BATTLEGROUNDS is 137% more, than Radeon HD 7870.
high / 1080p
16−18
35−40
ultra / 1080p
10−12
21−24
QHD / 1440p
4−5
16−18
4K / 2160p
2−3
10−11
low / 720p
45−50
90−95
medium / 1080p
24−27
50−55
The average gaming FPS of Radeon R9 390X in Red Dead Redemption 2 is 111% more, than Radeon HD 7870.
low / 768p
85−90
180−190
medium / 768p
50−55
120−130
high / 1080p
30−33
70−75
ultra / 1080p
16−18
35−40
4K / 2160p
10−11
24−27
The average gaming FPS of Radeon R9 390X in The Witcher 3: Wild Hunt is 128% more, than Radeon HD 7870.
low / 768p
90−95
120−130
medium / 768p
60−65
−
ultra / 1080p
45−50
65−70
high / 768p
55−60
120−130
The average gaming FPS of Radeon R9 390X in World of Tanks is 61% more, than Radeon HD 7870.
Full Specs
Radeon HD 7870
Radeon R9 390X
Architecture
GCN
GCN
Code name
Pitcairn XT
Grenada XT
Type
Desktop
Desktop
Release date
5 March 2012
16 June 2015
Pipelines
1280
2816
Core clock speed
1000 MHz
Boost Clock
1050 MHz
Transistor count
2800 Million
6,200 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
184.8
Floating-point performance
5,914 gflops
Length
275 mm
Memory bus width
256 Bit
512 Bit
Memory clock speed
4800 MHz
1050 MHz
Memory bandwidth
384 GB/s
Shared memory
-
-
DirectX
DirectX 11.1, Shader 5.1
Shader Model
6.3
OpenGL
4.6
OpenCL
2.0
Vulkan
+
Monero / XMR (CryptoNight)
0.39 kh/s
FreeSync
+
Bus support
PCIe 3.0
HDMI
+
Bitcoin / BTC (SHA256)
684 Mh/s
Eyefinity
+
+
PowerTune
+
TrueAudio
+
Mantle
+
Design
reference
Bridgeless CrossFire
+
Number of Eyefinity displays
6
DisplayPort support
+
CrossFire
+
VCE
+
DDMA audio
+
Decred / DCR (Decred)
0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)
16.6 Mh/s
27.5 Mh/s
Zcash / ZEC (Equihash)
145 Sol/s
High bandwidth memory (HBM)
-
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