GeForce GT 640 vs Radeon R9 M280X
In this comparison between GeForce GT 640 and Radeon R9 M280X you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GT 640 will be the best choice, for others Radeon R9 M280X will be their preference. Study the comparison tables below and make your choice.
Radeon R9 M280X is a Laptop Graphics Card
Note: Radeon R9 M280X 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 R9 M280X here:
Main Specs
GeForce GT 640
Radeon R9 M280X
Power consumption (TDP)
65 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
Not Listed
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GeForce GT 640 is used in Desktops, and Radeon R9 M280X - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Radeon R9 M280X - with GCN.
Core clock speed of GeForce GT 640 is 2 MHz higher, than Radeon R9 M280X.
GeForce GT 640 and Radeon R9 M280X 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
2−3
2−3
ultra / 1080p
1−2
1−2
QHD / 1440p
0−1
0−1
low / 720p
14−16
14−16
medium / 1080p
5−6
4−5
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 20% more, than Radeon R9 M280X.
high / 1080p
7−8
7−8
ultra / 1080p
5−6
5−6
QHD / 1440p
0−1
0−1
low / 720p
20−22
18−20
medium / 1080p
7−8
7−8
The average gaming FPS of GeForce GT 640 in Battlefield 5 is 11% more, than Radeon R9 M280X.
low / 768p
50−55
50−55
high / 1080p
35−40
30−35
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640 in Call of Duty: Warzone is 7% more, than Radeon R9 M280X.
low / 768p
110−120
110−120
medium / 768p
90−95
90−95
ultra / 1080p
45−50
40−45
QHD / 1440p
24−27
24−27
4K / 2160p
18−20
18−20
high / 768p
65−70
65−70
The average gaming FPS of GeForce GT 640 in Counter-Strike: Global Offensive is 1% more, than Radeon R9 M280X.
low / 768p
70−75
70−75
ultra / 1080p
21−24
21−24
medium / 1080p
45−50
45−50
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
70−75
medium / 768p
50−55
50−55
ultra / 1080p
27−30
27−30
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Dota 2.
high / 1080p
3−4
3−4
ultra / 1080p
3−4
3−4
4K / 2160p
2−3
2−3
low / 720p
14−16
14−16
medium / 1080p
4−5
4−5
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Far Cry 5.
high / 1080p
10−12
10−12
ultra / 1080p
5−6
5−6
QHD / 1440p
2−3
2−3
low / 720p
50−55
50−55
medium / 1080p
16−18
14−16
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Fortnite.
high / 1080p
6−7
6−7
QHD / 1440p
4−5
4−5
4K / 2160p
2−3
2−3
low / 720p
21−24
21−24
medium / 1080p
9−10
9−10
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Forza Horizon 4.
low / 768p
45−50
45−50
medium / 768p
−
40−45
high / 1080p
7−8
7−8
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Grand Theft Auto V.
high / 1080p
2−3
2−3
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
8−9
8−9
medium / 1080p
4−5
4−5
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Metro Exodus.
low / 768p
80−85
80−85
ultra / 1080p
70−75
70−75
GeForce GT 640 and Radeon R9 M280X have the same average FPS in Minecraft.
ultra / 1080p
12−14
12−14
low / 720p
27−30
27−30
medium / 1080p
14−16
14−16
GeForce GT 640 and Radeon R9 M280X have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
high / 1080p
6−7
−
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
−
low / 720p
7−8
8−9
medium / 1080p
−
7−8
The average gaming FPS of Radeon R9 M280X in Red Dead Redemption 2 is 16% more, than GeForce GT 640.
low / 768p
14−16
16−18
medium / 768p
10−11
10−12
high / 1080p
5−6
6−7
ultra / 1080p
4−5
4−5
4K / 2160p
0−1
2−3
The average gaming FPS of Radeon R9 M280X in The Witcher 3: Wild Hunt is 12% more, than GeForce GT 640.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
16−18
16−18
high / 768p
30−35
30−35
GeForce GT 640 and Radeon R9 M280X have the same average FPS in World of Tanks.
Full Specs
GeForce GT 640
Radeon R9 M280X
Architecture
Kepler
GCN
Code name
GK107
Saturn XT
Type
Desktop
Laptop
Release date
5 June 2012
1 February 2015
Pipelines
384
896
Core clock speed
902 MHz
900 MHz
Transistor count
1,270 million
2,080 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
61.60
Floating-point performance
692.7 gflops
1,792 gflops
Length
145 mm
Memory bus width
128 Bit
Memory clock speed
1782 MHz
Memory bandwidth
28.51 GB/s
96 GB/s
Shared memory
-
DirectX
12 (11_0)
Shader Model
5.1
6.3
OpenGL
4.6
4.4
OpenCL
1.2
Not Listed
Vulkan
1.1.126
CUDA
3.0
FreeSync
+
Bus support
Not Listed
Bitcoin / BTC (SHA256)
24 Mh/s
Laptop size
large
HD3D
+
PowerTune
+
DualGraphics
+
ZeroCore
+
Switchable graphics
+
Mantle
+
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