GeForce GT 640M vs Radeon R6 Carrizo
If you are going to buy a new graphics card and are choosing between GeForce GT 640M and Radeon R6 Carrizo, 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 GeForce GT 640M stacks up against Radeon R6 Carrizo, check out specs charts below.
GeForce GT 640M and Radeon R6 Carrizo are Laptop Graphics Cards
Note: GeForce GT 640M and Radeon R6 Carrizo 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 GeForce GT 640M or Radeon R6 Carrizo here:
Main Specs
GeForce GT 640M
Radeon R6 Carrizo
Power consumption (TDP)
32 Watt
12-35 Watt
Interface
PCIe 3.0 x16
Memory type
DDR3\GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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GeForce GT 640M has 166% more power consumption, than Radeon R6 Carrizo.
Both cards are used in Laptops.
GeForce GT 640M is build with Kepler architecture, and Radeon R6 Carrizo - with GCN 1.2/2.0.
GeForce GT 640M and Radeon R6 Carrizo are manufactured 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
0−1
0−1
ultra / 1080p
0−1
0−1
QHD / 1440p
0−1
0−1
low / 720p
10−12
10−12
medium / 1080p
2−3
2−3
GeForce GT 640M and Radeon R6 Carrizo have the same average FPS in Assassin's Creed Odyssey.
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
4−5
4−5
GeForce GT 640M and Radeon R6 Carrizo have the same average FPS in Battlefield 5.
low / 768p
50−55
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640M in Call of Duty: Warzone is 11% more, than Radeon R6 Carrizo.
low / 768p
110−120
110−120
medium / 768p
85−90
85−90
ultra / 1080p
35−40
35−40
QHD / 1440p
−
21−24
4K / 2160p
10−11
16−18
high / 768p
55−60
60−65
The average gaming FPS of Radeon R6 Carrizo in Counter-Strike: Global Offensive is 3% more, than GeForce GT 640M.
low / 768p
70−75
85−90
ultra / 1080p
12−14
14−16
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon R6 Carrizo in Cyberpunk 2077 is 9% more, than GeForce GT 640M.
low / 768p
70−75
75−80
medium / 768p
40−45
45−50
ultra / 1080p
18−20
21−24
The average gaming FPS of Radeon R6 Carrizo in Dota 2 is 11% more, than GeForce GT 640M.
high / 1080p
2−3
1−2
ultra / 1080p
2−3
−
4K / 2160p
0−1
0−1
low / 720p
9−10
9−10
medium / 1080p
3−4
2−3
The average gaming FPS of GeForce GT 640M in Far Cry 5 is 25% more, than Radeon R6 Carrizo.
ultra / 1080p
5−6
4−5
QHD / 1440p
1−2
1−2
low / 720p
45−50
45−50
medium / 1080p
7−8
8−9
GeForce GT 640M and Radeon R6 Carrizo have the same average FPS in Fortnite.
high / 1080p
2−3
3−4
QHD / 1440p
0−1
0−1
low / 720p
14−16
14−16
medium / 1080p
5−6
6−7
The average gaming FPS of Radeon R6 Carrizo in Forza Horizon 4 is 14% more, than GeForce GT 640M.
low / 768p
40−45
40−45
high / 1080p
3−4
3−4
ultra / 1080p
2−3
1−2
QHD / 1440p
0−1
0−1
medium / 720p
30−35
30−35
GeForce GT 640M and Radeon R6 Carrizo have the same average FPS in Grand Theft Auto V.
high / 1080p
1−2
0−1
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
2−3
4−5
medium / 1080p
2−3
2−3
The average gaming FPS of Radeon R6 Carrizo in Metro Exodus is 50% more, than GeForce GT 640M.
low / 768p
85−90
90−95
high / 1080p
55−60
80−85
ultra / 1080p
−
65−70
medium / 1080p
−
85−90
The average gaming FPS of Radeon R6 Carrizo in Minecraft is 20% more, than GeForce GT 640M.
high / 1080p
14−16
−
ultra / 1080p
12−14
12−14
low / 720p
24−27
24−27
medium / 1080p
14−16
14−16
GeForce GT 640M and Radeon R6 Carrizo have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
low / 720p
3−4
4−5
The average gaming FPS of Radeon R6 Carrizo in Red Dead Redemption 2 is 33% more, than GeForce GT 640M.
low / 768p
7−8
9−10
medium / 768p
6−7
7−8
high / 1080p
3−4
3−4
ultra / 1080p
−
3−4
4K / 2160p
0−1
0−1
The average gaming FPS of Radeon R6 Carrizo in The Witcher 3: Wild Hunt is 20% more, than GeForce GT 640M.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
12−14
14−16
high / 768p
27−30
27−30
The average gaming FPS of Radeon R6 Carrizo in World of Tanks is 2% more, than GeForce GT 640M.
Full Specs
GeForce GT 640M
Radeon R6 Carrizo
Architecture
Kepler
GCN 1.2/2.0
Code name
N13P-GS
Carrizo
Type
Laptop
Laptop
Release date
22 March 2012
4 June 2015
Pipelines
384
384
Boost Clock
645 MHz
800 MHz
Transistor count
1,270 million
2410 Million
Manufacturing process technology
28 nm
28 nm
Floating-point performance
480.0 gflops
Memory bus width
128bit
64/128 Bit
Memory clock speed
1800 - 4000 MHz
Shared memory
-
+
DirectX
12 API
DirectX 12 (FL 12_0)
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
18 Mh/s
Laptop size
medium sized
medium sized
Optimus
+
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