Radeon R7 Carrizo vs Radeon RX 640
If you are going to buy a new graphics card and are choosing between Radeon R7 Carrizo and Radeon RX 640, 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 R7 Carrizo stacks up against Radeon RX 640, check out specs charts below.
Radeon R7 Carrizo and Radeon RX 640 are Laptop Graphics Cards
Note: Radeon R7 Carrizo and Radeon RX 640 are only used in laptop graphics. They have 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 R7 Carrizo or Radeon RX 640 here:
Main Specs
Radeon R7 Carrizo
Radeon RX 640
Power consumption (TDP)
12-35 Watt
50 Watt
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Memory type
GDDR5
Maximum RAM amount
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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Radeon RX 640 has 316% more power consumption, than Radeon R7 Carrizo.
Both cards are used in Laptops.
Radeon R7 Carrizo is build with GCN 1.2/2.0 architecture, and Radeon RX 640 - with Polaris.
Radeon R7 Carrizo is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 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
2−3
5−6
ultra / 1080p
0−1
3−4
QHD / 1440p
0−1
2−3
low / 720p
12−14
16−18
medium / 1080p
5−6
7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 42% more, than Radeon R7 Carrizo.
high / 1080p
6−7
10−12
ultra / 1080p
5−6
8−9
QHD / 1440p
0−1
0−1
low / 720p
16−18
24−27
medium / 1080p
7−8
10−12
The average gaming FPS of Radeon RX 640 in Battlefield 5 is 55% more, than Radeon R7 Carrizo.
low / 768p
45−50
45−50
high / 1080p
40−45
40−45
QHD / 1440p
0−1
0−1
Radeon R7 Carrizo and Radeon RX 640 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
130−140
medium / 768p
90−95
100−110
ultra / 1080p
40−45
50−55
QHD / 1440p
24−27
27−30
4K / 2160p
−
12−14
high / 768p
65−70
80−85
The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 17% more, than Radeon R7 Carrizo.
low / 768p
70−75
50−55
ultra / 1080p
18−20
18−20
medium / 1080p
40−45
45−50
The average gaming FPS of Radeon R7 Carrizo in Cyberpunk 2077 is 12% more, than Radeon RX 640.
low / 768p
70−75
80−85
medium / 768p
50−55
55−60
ultra / 1080p
27−30
30−35
The average gaming FPS of Radeon RX 640 in Dota 2 is 11% more, than Radeon R7 Carrizo.
high / 1080p
3−4
7−8
ultra / 1080p
3−4
5−6
4K / 2160p
0−1
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 66% more, than Radeon R7 Carrizo.
high / 1080p
10−12
7−8
ultra / 1080p
6−7
0−1
QHD / 1440p
4−5
0−1
low / 720p
55−60
60−65
medium / 1080p
12−14
18−20
The average gaming FPS of Radeon RX 640 in Fortnite is 7% more, than Radeon R7 Carrizo.
high / 1080p
7−8
10−11
ultra / 1080p
6−7
−
QHD / 1440p
0−1
−
4K / 2160p
−
8−9
low / 720p
20−22
24−27
medium / 1080p
10−11
12−14
The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 23% more, than Radeon R7 Carrizo.
low / 768p
45−50
50−55
high / 1080p
7−8
10−12
ultra / 1080p
3−4
5−6
QHD / 1440p
0−1
−
medium / 720p
35−40
45−50
The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 20% more, than Radeon R7 Carrizo.
high / 1080p
1−2
3−4
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
−
low / 720p
6−7
10−11
medium / 1080p
3−4
5−6
The average gaming FPS of Radeon RX 640 in Metro Exodus is 100% more, than Radeon R7 Carrizo.
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 R7 Carrizo.
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 R7 Carrizo in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than Radeon RX 640.
ultra / 1080p
3−4
−
QHD / 1440p
0−1
−
low / 720p
6−7
10−12
medium / 1080p
−
9−10
The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 83% more, than Radeon R7 Carrizo.
low / 768p
14−16
21−24
medium / 768p
10−12
14−16
high / 1080p
5−6
6−7
ultra / 1080p
4−5
4−5
4K / 2160p
0−1
3−4
The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 33% more, than Radeon R7 Carrizo.
low / 768p
70−75
75−80
medium / 768p
35−40
40−45
ultra / 1080p
14−16
18−20
high / 768p
27−30
35−40
The average gaming FPS of Radeon RX 640 in World of Tanks is 15% more, than Radeon R7 Carrizo.
Full Specs
Radeon R7 Carrizo
Radeon RX 640
Architecture
GCN 1.2/2.0
Polaris
Code name
Carrizo
Polaris 12
Type
Laptop
Laptop
Release date
4 June 2015
12 August 2019
Pipelines
512
640
Core clock speed
1218 MHz
Boost Clock
800 MHz
1218 MHz
Transistor count
2410 Million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
38.98
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
6000 MHz
Memory bandwidth
112.0 GB/s
Shared memory
+
-
DirectX
DirectX 12 (FL 12_0)
12 (12_0)
Shader Model
6.4
OpenGL
4.6
OpenCL
2.0
Vulkan
1.2.131
FreeSync
+
Laptop size
medium sized
large
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