Radeon HD 6870 vs Radeon R9 270X
If you are going to buy a new graphics card and are choosing between Radeon HD 6870 and Radeon R9 270X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6870 stacks up against Radeon R9 270X, check out specs charts below.
Main Specs
Radeon HD 6870
Radeon R9 270X
Power consumption (TDP)
151 Watt
180 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
2 x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
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Radeon R9 270X has 19% more power consumption, than Radeon HD 6870.
Radeon HD 6870 is connected by PCIe 2.0 x16, and Radeon R9 270X uses PCIe 3.0 x16 interface.
Radeon R9 270X has 1 GB more memory, than Radeon HD 6870.
Both cards are used in Desktops.
Radeon HD 6870 is build with Terascale 2 architecture, and Radeon R9 270X - with GCN.
Radeon HD 6870 is manufactured by 40 nm process technology, and Radeon R9 270X - by 28 nm process technology.
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
10−12
24−27
ultra / 1080p
6−7
14−16
QHD / 1440p
1−2
10−11
4K / 2160p
−
6−7
low / 720p
24−27
45−50
medium / 1080p
12−14
30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 136% more, than Radeon HD 6870.
high / 1080p
18−20
40−45
ultra / 1080p
14−16
30−35
QHD / 1440p
1−2
18−20
4K / 2160p
−
10−12
low / 720p
35−40
80−85
medium / 1080p
20−22
45−50
The average gaming FPS of Radeon R9 270X in Battlefield 5 is 144% more, than Radeon HD 6870.
low / 768p
45−50
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R9 270X in Call of Duty: Warzone is 10% more, than Radeon HD 6870.
low / 768p
180−190
240−250
medium / 768p
140−150
210−220
ultra / 1080p
75−80
140−150
QHD / 1440p
40−45
110−120
4K / 2160p
30−33
60−65
high / 768p
110−120
180−190
The average gaming FPS of Radeon R9 270X in Counter-Strike: Global Offensive is 62% more, than Radeon HD 6870.
low / 768p
55−60
60−65
ultra / 1080p
30−33
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon R9 270X in Cyberpunk 2077 is 15% more, than Radeon HD 6870.
low / 768p
95−100
120−130
medium / 768p
75−80
110−120
ultra / 1080p
50−55
90−95
The average gaming FPS of Radeon R9 270X in Dota 2 is 46% more, than Radeon HD 6870.
high / 1080p
12−14
30−35
ultra / 1080p
12−14
27−30
QHD / 1440p
−
21−24
4K / 2160p
5−6
10−11
low / 720p
27−30
60−65
medium / 1080p
14−16
30−35
The average gaming FPS of Radeon R9 270X in Far Cry 5 is 120% more, than Radeon HD 6870.
high / 1080p
20−22
40−45
ultra / 1080p
14−16
30−35
QHD / 1440p
−
18−20
low / 720p
80−85
140−150
medium / 1080p
35−40
85−90
The average gaming FPS of Radeon R9 270X in Fortnite is 94% more, than Radeon HD 6870.
high / 1080p
18−20
40−45
ultra / 1080p
14−16
30−35
QHD / 1440p
5−6
18−20
4K / 2160p
−
16−18
low / 720p
40−45
80−85
medium / 1080p
21−24
45−50
The average gaming FPS of Radeon R9 270X in Forza Horizon 4 is 120% more, than Radeon HD 6870.
low / 768p
70−75
110−120
medium / 768p
60−65
100−110
high / 1080p
21−24
50−55
ultra / 1080p
9−10
21−24
QHD / 1440p
0−1
10−12
The average gaming FPS of Radeon R9 270X in Grand Theft Auto V is 78% more, than Radeon HD 6870.
high / 1080p
7−8
16−18
ultra / 1080p
5−6
12−14
QHD / 1440p
−
12−14
4K / 2160p
1−2
4−5
low / 720p
21−24
45−50
medium / 1080p
9−10
21−24
The average gaming FPS of Radeon R9 270X in Metro Exodus is 122% more, than Radeon HD 6870.
low / 768p
100−110
120−130
ultra / 1080p
90−95
−
medium / 1080p
100−105
110−120
The average gaming FPS of Radeon R9 270X in Minecraft is 16% more, than Radeon HD 6870.
high / 1080p
18−20
−
ultra / 1080p
16−18
14−16
low / 720p
45−50
80−85
medium / 1080p
21−24
18−20
The average gaming FPS of Radeon R9 270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 31% more, than Radeon HD 6870.
high / 1080p
12−14
18−20
ultra / 1080p
8−9
12−14
QHD / 1440p
0−1
4−5
4K / 2160p
−
3−4
low / 720p
20−22
45−50
medium / 1080p
12−14
24−27
The average gaming FPS of Radeon R9 270X in Red Dead Redemption 2 is 100% more, than Radeon HD 6870.
low / 768p
40−45
90−95
medium / 768p
24−27
55−60
high / 1080p
14−16
30−35
ultra / 1080p
8−9
18−20
4K / 2160p
7−8
10−11
The average gaming FPS of Radeon R9 270X in The Witcher 3: Wild Hunt is 121% more, than Radeon HD 6870.
low / 768p
95−100
90−95
medium / 768p
55−60
60−65
ultra / 1080p
27−30
45−50
high / 768p
45−50
55−60
The average gaming FPS of Radeon R9 270X in World of Tanks is 14% more, than Radeon HD 6870.
Full Specs
Radeon HD 6870
Radeon R9 270X
Architecture
Terascale 2
GCN
Code name
RV940 Barts
Curacao XT
Type
Desktop
Desktop
Release date
22 October 2010
8 October 2013
Pipelines
1120
1280
Boost Clock
900 MHz
1050 MHz
Transistor count
1,700 million
2,800 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
50.40
84.00
Floating-point performance
2,016.0 gflops
2,688 gflops
Length
220 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
Memory bandwidth
134.4 GB/s
179.2 GB/s
Shared memory
-
-
Shader Model
5.0
5.1
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
+
FreeSync
+
Bus support
PCIe 2.0 x16
PCIe 3.0
HDMI
+
+
Bitcoin / BTC (SHA256)
213 Mh/s
318 Mh/s
Eyefinity
+
+
HD3D
+
TrueAudio
+
Design
reference
reference
DisplayPort support
+
CrossFire
+
+
DDMA audio
+
Ethereum / ETH (DaggerHashimoto)
30 Mh/s
Zcash / ZEC (Equihash)
163 Sol/s
AppAcceleration
+
LiquidVR
+
TressFX
+
UVD
+
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