Radeon HD 6870 vs Radeon HD 7770
If you are going to buy a new graphics card and are choosing between Radeon HD 6870 and Radeon HD 7770, 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 HD 7770, check out specs charts below.
Main Specs
Radeon HD 6870
Radeon HD 7770
Power consumption (TDP)
151 Watt
Interface
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7770 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 HD 7770 - with GCN.
Radeon HD 6870 is manufactured by 40 nm process technology, and Radeon HD 7770 - by 28 nm process technology.
Memory clock speed of Radeon HD 7770 is 3450 MHz higher, than Radeon HD 6870.
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
10−11
ultra / 1080p
6−7
6−7
QHD / 1440p
1−2
1−2
low / 720p
24−27
24−27
medium / 1080p
12−14
12−14
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
18−20
16−18
ultra / 1080p
14−16
14−16
QHD / 1440p
1−2
1−2
low / 720p
35−40
35−40
medium / 1080p
20−22
18−20
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in Battlefield 5.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in Call of Duty: Warzone.
low / 768p
180−190
170−180
medium / 768p
140−150
140−150
ultra / 1080p
75−80
75−80
QHD / 1440p
40−45
40−45
4K / 2160p
30−33
30−33
high / 768p
110−120
110−120
The average gaming FPS of Radeon HD 6870 in Counter-Strike: Global Offensive is 2% more, than Radeon HD 7770.
low / 768p
55−60
55−60
ultra / 1080p
30−33
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6870 in Cyberpunk 2077 is 2% more, than Radeon HD 7770.
low / 768p
95−100
95−100
medium / 768p
75−80
75−80
ultra / 1080p
50−55
45−50
The average gaming FPS of Radeon HD 6870 in Dota 2 is 1% more, than Radeon HD 7770.
high / 1080p
12−14
12−14
ultra / 1080p
12−14
10−12
4K / 2160p
5−6
5−6
low / 720p
27−30
27−30
medium / 1080p
14−16
12−14
The average gaming FPS of Radeon HD 6870 in Far Cry 5 is 7% more, than Radeon HD 7770.
high / 1080p
20−22
18−20
ultra / 1080p
14−16
14−16
low / 720p
80−85
80−85
medium / 1080p
35−40
35−40
The average gaming FPS of Radeon HD 6870 in Fortnite is 2% more, than Radeon HD 7770.
high / 1080p
18−20
18−20
ultra / 1080p
14−16
14−16
QHD / 1440p
5−6
5−6
low / 720p
40−45
35−40
medium / 1080p
21−24
21−24
The average gaming FPS of Radeon HD 6870 in Forza Horizon 4 is 5% more, than Radeon HD 7770.
low / 768p
70−75
65−70
medium / 768p
60−65
60−65
high / 1080p
21−24
21−24
ultra / 1080p
9−10
9−10
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6870 in Grand Theft Auto V is 2% more, than Radeon HD 7770.
high / 1080p
7−8
7−8
ultra / 1080p
5−6
5−6
4K / 2160p
1−2
1−2
low / 720p
21−24
20−22
medium / 1080p
9−10
9−10
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in Metro Exodus.
low / 768p
100−110
100−110
ultra / 1080p
90−95
90−95
medium / 1080p
100−105
100−105
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in Minecraft.
high / 1080p
18−20
18−20
ultra / 1080p
16−18
16−18
low / 720p
45−50
45−50
medium / 1080p
21−24
21−24
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
high / 1080p
12−14
12−14
ultra / 1080p
8−9
8−9
QHD / 1440p
0−1
0−1
low / 720p
20−22
20−22
medium / 1080p
12−14
12−14
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in Red Dead Redemption 2.
low / 768p
40−45
35−40
medium / 768p
24−27
24−27
high / 1080p
14−16
14−16
ultra / 1080p
8−9
8−9
4K / 2160p
7−8
7−8
The average gaming FPS of Radeon HD 6870 in The Witcher 3: Wild Hunt is 5% more, than Radeon HD 7770.
low / 768p
95−100
95−100
medium / 768p
55−60
55−60
ultra / 1080p
27−30
27−30
high / 768p
45−50
45−50
Radeon HD 6870 and Radeon HD 7770 have the same average FPS in World of Tanks.
Full Specs
Radeon HD 6870
Radeon HD 7770
Architecture
Terascale 2
GCN
Code name
RV940 Barts
Cape Verde
Type
Desktop
Desktop
Release date
22 October 2010
15 February 2012
Pipelines
1120
640
Core clock speed
1000 MHz
Boost Clock
900 MHz
Transistor count
1,700 million
Manufacturing process technology
40 nm
28 nm
Texture fill rate
50.40
Floating-point performance
2,016.0 gflops
Length
220 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
4500 MHz
Memory bandwidth
134.4 GB/s
Shared memory
-
-
DirectX
DirectX 11.1, Shader 5.1
Shader Model
5.0
OpenGL
4.4
OpenCL
1.2
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
213 Mh/s
156 Mh/s
Eyefinity
+
+
Design
reference
CrossFire
+
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