Radeon HD 6770 vs Radeon RX 640
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6770 and Radeon RX 640. 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 6770 and Radeon RX 640. 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.
Radeon RX 640 is a Laptop Graphics Card
Note: Radeon RX 640 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 RX 640 here:
Main Specs
Radeon HD 6770
Radeon RX 640
Power consumption (TDP)
108 Watt
50 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6770 has 116% more power consumption, than Radeon RX 640.
Radeon HD 6770 is connected by PCIe 2.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
Radeon RX 640 has 3 GB more memory, than Radeon HD 6770.
Radeon HD 6770 is used in Desktops, and Radeon RX 640 - in Laptops.
Radeon HD 6770 is build with TeraScale 2 architecture, and Radeon RX 640 - with Polaris.
Radeon HD 6770 is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 4950 MHz higher, than Radeon HD 6770.
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
5−6
ultra / 1080p
1−2
3−4
QHD / 1440p
0−1
2−3
low / 720p
14−16
16−18
medium / 1080p
5−6
7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 33% more, than Radeon HD 6770.
high / 1080p
7−8
10−12
ultra / 1080p
6−7
8−9
QHD / 1440p
0−1
0−1
low / 720p
20−22
24−27
medium / 1080p
8−9
10−12
The average gaming FPS of Radeon RX 640 in Battlefield 5 is 40% more, than Radeon HD 6770.
low / 768p
45−50
45−50
high / 1080p
40−45
40−45
QHD / 1440p
0−1
0−1
Radeon HD 6770 and Radeon RX 640 have the same average FPS in Call of Duty: Warzone.
low / 768p
120−130
130−140
medium / 768p
95−100
100−110
ultra / 1080p
45−50
50−55
QHD / 1440p
24−27
27−30
4K / 2160p
−
12−14
high / 768p
70−75
80−85
The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 9% more, than Radeon HD 6770.
low / 768p
70−75
50−55
ultra / 1080p
20−22
18−20
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon HD 6770 in Cyberpunk 2077 is 15% more, than Radeon RX 640.
low / 768p
75−80
80−85
medium / 768p
55−60
55−60
ultra / 1080p
27−30
30−35
The average gaming FPS of Radeon RX 640 in Dota 2 is 5% more, than Radeon HD 6770.
high / 1080p
4−5
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
1−2
5−6
low / 720p
14−16
18−20
medium / 1080p
5−6
8−9
The average gaming FPS of Radeon RX 640 in Far Cry 5 is 50% more, than Radeon HD 6770.
high / 1080p
12−14
7−8
ultra / 1080p
7−8
0−1
QHD / 1440p
4−5
0−1
low / 720p
55−60
60−65
medium / 1080p
16−18
18−20
Radeon HD 6770 and Radeon RX 640 have the same average FPS in Fortnite.
high / 1080p
7−8
10−11
ultra / 1080p
6−7
−
QHD / 1440p
0−1
−
4K / 2160p
−
8−9
low / 720p
21−24
24−27
medium / 1080p
9−10
12−14
The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 23% more, than Radeon HD 6770.
low / 768p
45−50
50−55
high / 1080p
9−10
10−12
ultra / 1080p
4−5
5−6
QHD / 1440p
0−1
−
medium / 720p
40−45
45−50
The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 11% more, than Radeon HD 6770.
high / 1080p
2−3
3−4
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
−
low / 720p
8−9
10−11
medium / 1080p
4−5
5−6
The average gaming FPS of Radeon RX 640 in Metro Exodus is 20% more, than Radeon HD 6770.
low / 768p
85−90
90−95
high / 1080p
65−70
−
ultra / 1080p
−
80−85
The average gaming FPS of Radeon RX 640 in Minecraft is 5% more, than Radeon HD 6770.
high / 1080p
−
6−7
ultra / 1080p
12−14
2−3
4K / 2160p
−
0−1
low / 720p
27−30
27−30
medium / 1080p
14−16
10−11
The average gaming FPS of Radeon HD 6770 in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than Radeon RX 640.
high / 1080p
6−7
−
ultra / 1080p
4−5
−
QHD / 1440p
0−1
−
low / 720p
7−8
10−12
medium / 1080p
−
9−10
The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 57% more, than Radeon HD 6770.
low / 768p
18−20
21−24
medium / 768p
12−14
14−16
high / 1080p
6−7
6−7
ultra / 1080p
4−5
4−5
4K / 2160p
1−2
3−4
The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 25% more, than Radeon HD 6770.
low / 768p
70−75
75−80
medium / 768p
35−40
40−45
ultra / 1080p
16−18
18−20
high / 768p
30−35
35−40
The average gaming FPS of Radeon RX 640 in World of Tanks is 12% more, than Radeon HD 6770.
Full Specs
Radeon HD 6770
Radeon RX 640
Architecture
TeraScale 2
Polaris
Code name
Juniper
Polaris 12
Type
Desktop
Laptop
Release date
21 January 2011
12 August 2019
Pipelines
800
640
Core clock speed
1218 MHz
Boost Clock
900 MHz
1218 MHz
Transistor count
1,040 million
2,200 million
Manufacturing process technology
40 nm
14 nm
Texture fill rate
34.00
38.98
Floating-point performance
1,360.0 gflops
Length
198 mm
Memory bus width
128 Bit
64 Bit
Memory clock speed
1050 MHz
6000 MHz
Memory bandwidth
76.8 GB/s
112.0 GB/s
Shared memory
-
DirectX
12 (12_0)
Shader Model
5.0
6.4
OpenGL
4.4
4.6
OpenCL
1.2
2.0
Vulkan
1.2.131
FreeSync
+
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
118 Mh/s
Laptop size
large
Eyefinity
+
Design
reference
CrossFire
+
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