GRID K2 vs Radeon RX 640
If you are going to buy a new graphics card and are choosing between GRID K2 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 GRID K2 stacks up against Radeon RX 640, check out specs charts below.
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
GRID K2
Radeon RX 640
Power consumption (TDP)
225 Watt
50 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 8-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
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GRID K2 has 350% more power consumption, than Radeon RX 640.
GRID K2 is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
GRID K2 and Radeon RX 640 have maximum RAM of 4 GB.
GRID K2 is used in Desktops, and Radeon RX 640 - in Laptops.
GRID K2 is build with Kepler architecture, and Radeon RX 640 - with Polaris.
Core clock speed of Radeon RX 640 is 473 MHz higher, than GRID K2.
GRID K2 is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
Memory clock speed of Radeon RX 640 is 1000 MHz higher, than GRID K2.
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
16−18
5−6
ultra / 1080p
9−10
3−4
QHD / 1440p
4−5
2−3
4K / 2160p
4−5
−
low / 720p
30−35
16−18
medium / 1080p
20−22
7−8
The average gaming FPS of GRID K2 in Assassin's Creed Odyssey is 128% more, than Radeon RX 640.
high / 1080p
24−27
10−12
ultra / 1080p
21−24
8−9
QHD / 1440p
9−10
0−1
4K / 2160p
6−7
−
low / 720p
55−60
24−27
medium / 1080p
27−30
10−12
The average gaming FPS of GRID K2 in Battlefield 5 is 135% more, than Radeon RX 640.
low / 768p
45−50
45−50
high / 1080p
−
40−45
QHD / 1440p
0−1
0−1
GRID K2 and Radeon RX 640 have the same average FPS in Call of Duty: Warzone.
low / 768p
210−220
130−140
medium / 768p
180−190
100−110
ultra / 1080p
100−110
50−55
QHD / 1440p
55−60
27−30
4K / 2160p
30−35
12−14
high / 768p
140−150
80−85
The average gaming FPS of GRID K2 in Counter-Strike: Global Offensive is 78% more, than Radeon RX 640.
low / 768p
55−60
50−55
ultra / 1080p
40−45
18−20
medium / 1080p
45−50
45−50
The average gaming FPS of GRID K2 in Cyberpunk 2077 is 25% more, than Radeon RX 640.
low / 768p
110−120
80−85
medium / 768p
95−100
55−60
ultra / 1080p
65−70
30−35
The average gaming FPS of GRID K2 in Dota 2 is 63% more, than Radeon RX 640.
high / 1080p
18−20
7−8
ultra / 1080p
18−20
5−6
QHD / 1440p
16−18
−
4K / 2160p
6−7
5−6
low / 720p
40−45
18−20
medium / 1080p
21−24
8−9
The average gaming FPS of GRID K2 in Far Cry 5 is 133% more, than Radeon RX 640.
high / 1080p
27−30
7−8
ultra / 1080p
21−24
0−1
QHD / 1440p
16−18
0−1
low / 720p
100−110
60−65
medium / 1080p
55−60
18−20
The average gaming FPS of GRID K2 in Fortnite is 117% more, than Radeon RX 640.
high / 1080p
27−30
10−11
ultra / 1080p
21−24
−
QHD / 1440p
10−11
−
4K / 2160p
10−11
8−9
low / 720p
55−60
24−27
medium / 1080p
30−35
12−14
The average gaming FPS of GRID K2 in Forza Horizon 4 is 128% more, than Radeon RX 640.
low / 768p
90−95
50−55
medium / 768p
80−85
−
high / 1080p
30−35
10−12
ultra / 1080p
12−14
5−6
QHD / 1440p
4−5
−
medium / 720p
−
45−50
The average gaming FPS of GRID K2 in Grand Theft Auto V is 100% more, than Radeon RX 640.
high / 1080p
10−11
3−4
ultra / 1080p
8−9
1−2
4K / 2160p
3−4
−
low / 720p
30−35
10−11
medium / 1080p
14−16
5−6
The average gaming FPS of GRID K2 in Metro Exodus is 220% more, than Radeon RX 640.
low / 768p
110−120
90−95
ultra / 1080p
−
80−85
medium / 1080p
100−110
−
The average gaming FPS of GRID K2 in Minecraft is 25% more, than Radeon RX 640.
high / 1080p
24−27
6−7
ultra / 1080p
18−20
2−3
4K / 2160p
−
0−1
low / 720p
60−65
27−30
medium / 1080p
24−27
10−11
The average gaming FPS of GRID K2 in PLAYERUNKNOWN'S BATTLEGROUNDS is 175% more, than Radeon RX 640.
high / 1080p
14−16
−
ultra / 1080p
10−11
−
QHD / 1440p
0−1
−
low / 720p
30−35
10−12
medium / 1080p
16−18
9−10
The average gaming FPS of GRID K2 in Red Dead Redemption 2 is 140% more, than Radeon RX 640.
low / 768p
60−65
21−24
medium / 768p
35−40
14−16
high / 1080p
20−22
6−7
ultra / 1080p
12−14
4−5
4K / 2160p
8−9
3−4
The average gaming FPS of GRID K2 in The Witcher 3: Wild Hunt is 180% more, than Radeon RX 640.
low / 768p
100−110
75−80
medium / 768p
60−65
40−45
ultra / 1080p
35−40
18−20
high / 768p
55−60
35−40
The average gaming FPS of GRID K2 in World of Tanks is 47% more, than Radeon RX 640.
Full Specs
GRID K2
Radeon RX 640
Architecture
Kepler
Polaris
Code name
GK104
Polaris 12
Type
Workstation
Laptop
Release date
11 May 2013
12 August 2019
Pipelines
1536
640
Core clock speed
745 MHz
1218 MHz
Boost Clock
1218 MHz
Transistor count
3,540 million
2,200 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
95.36
38.98
Floating-point performance
2x 2,289 gflops
Length
267 mm
Memory bus width
256 Bit
64 Bit
Memory clock speed
5000 MHz
6000 MHz
Memory bandwidth
160.0 GB/s
112.0 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (12_0)
Shader Model
5.1
6.4
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.1.126
1.2.131
CUDA
3.0
FreeSync
+
Bitcoin / BTC (SHA256)
114 Mh/s
Laptop size
large
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