GeForce GT 640 vs Radeon HD 8970M
When choosing between GeForce GT 640 and Radeon HD 8970M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 640 and Radeon HD 8970M.
Radeon HD 8970M is a Laptop Graphics Card
Note: Radeon HD 8970M 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 HD 8970M here:
Main Specs
GeForce GT 640
Radeon HD 8970M
Power consumption (TDP)
65 Watt
100 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon HD 8970M has 53% more power consumption, than GeForce GT 640.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon HD 8970M has 2 GB more memory, than GeForce GT 640.
GeForce GT 640 is used in Desktops, and Radeon HD 8970M - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 8970M - with GCN.
Core clock speed of GeForce GT 640 is 52 MHz higher, than Radeon HD 8970M.
GeForce GT 640 and Radeon HD 8970M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 8970M is 3018 MHz higher, than GeForce GT 640.
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
20−22
ultra / 1080p
1−2
12−14
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
14−16
35−40
medium / 1080p
5−6
24−27
The average gaming FPS of Radeon HD 8970M in Assassin's Creed Odyssey is 300% more, than GeForce GT 640.
high / 1080p
7−8
30−35
ultra / 1080p
5−6
27−30
QHD / 1440p
0−1
10−12
4K / 2160p
−
7−8
low / 720p
20−22
65−70
medium / 1080p
7−8
35−40
The average gaming FPS of Radeon HD 8970M in Battlefield 5 is 310% more, than GeForce GT 640.
low / 768p
50−55
50−55
high / 1080p
35−40
−
QHD / 1440p
0−1
0−1
GeForce GT 640 and Radeon HD 8970M have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
230−240
medium / 768p
90−95
200−210
ultra / 1080p
45−50
110−120
QHD / 1440p
24−27
85−90
4K / 2160p
18−20
45−50
high / 768p
65−70
160−170
The average gaming FPS of Radeon HD 8970M in Counter-Strike: Global Offensive is 132% more, than GeForce GT 640.
low / 768p
70−75
60−65
ultra / 1080p
21−24
50−55
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 8970M in Cyberpunk 2077 is 21% more, than GeForce GT 640.
low / 768p
70−75
120−130
medium / 768p
50−55
100−110
ultra / 1080p
27−30
75−80
The average gaming FPS of Radeon HD 8970M in Dota 2 is 100% more, than GeForce GT 640.
high / 1080p
3−4
24−27
ultra / 1080p
3−4
21−24
QHD / 1440p
−
18−20
4K / 2160p
2−3
7−8
low / 720p
14−16
50−55
medium / 1080p
4−5
24−27
The average gaming FPS of Radeon HD 8970M in Far Cry 5 is 420% more, than GeForce GT 640.
high / 1080p
10−12
30−35
ultra / 1080p
5−6
24−27
QHD / 1440p
2−3
14−16
low / 720p
50−55
120−130
medium / 1080p
16−18
70−75
The average gaming FPS of Radeon HD 8970M in Fortnite is 217% more, than GeForce GT 640.
high / 1080p
6−7
30−35
ultra / 1080p
−
24−27
QHD / 1440p
4−5
12−14
4K / 2160p
2−3
12−14
low / 720p
21−24
65−70
medium / 1080p
9−10
35−40
The average gaming FPS of Radeon HD 8970M in Forza Horizon 4 is 255% more, than GeForce GT 640.
low / 768p
45−50
100−110
medium / 768p
−
90−95
high / 1080p
7−8
40−45
ultra / 1080p
3−4
16−18
QHD / 1440p
0−1
6−7
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 8970M in Grand Theft Auto V is 184% more, than GeForce GT 640.
high / 1080p
2−3
12−14
ultra / 1080p
0−1
10−11
4K / 2160p
0−1
2−3
low / 720p
8−9
35−40
medium / 1080p
4−5
16−18
The average gaming FPS of Radeon HD 8970M in Metro Exodus is 340% more, than GeForce GT 640.
low / 768p
80−85
120−130
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon HD 8970M in Minecraft is 52% more, than GeForce GT 640.
ultra / 1080p
12−14
14−16
low / 720p
27−30
70−75
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 8970M in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
1−2
4K / 2160p
−
1−2
low / 720p
7−8
35−40
medium / 1080p
−
20−22
The average gaming FPS of Radeon HD 8970M in Red Dead Redemption 2 is 250% more, than GeForce GT 640.
low / 768p
14−16
70−75
medium / 768p
10−11
45−50
high / 1080p
5−6
24−27
ultra / 1080p
4−5
14−16
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon HD 8970M in The Witcher 3: Wild Hunt is 400% more, than GeForce GT 640.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
40−45
high / 768p
30−35
55−60
The average gaming FPS of Radeon HD 8970M in World of Tanks is 61% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 8970M
Architecture
Kepler
GCN
Code name
GK107
Neptune
Type
Desktop
Laptop
Release date
5 June 2012
15 May 2013
Pipelines
384
1280
Core clock speed
902 MHz
850 MHz
Boost Clock
900 MHz
Transistor count
1,270 million
2,800 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
72.00
Floating-point performance
692.7 gflops
2,304 gflops
Length
145 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
4800 MHz
Memory bandwidth
28.51 GB/s
153.6 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
273 Mh/s
Laptop size
large
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