GeForce GT 640 vs Mobility Radeon HD 5870 Crossfire
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Mobility Radeon HD 5870 Crossfire. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640 and Mobility Radeon HD 5870 Crossfire. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Mobility Radeon HD 5870 Crossfire is a Laptop Graphics Card
Note: Mobility Radeon HD 5870 Crossfire 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 Mobility Radeon HD 5870 Crossfire here:
Main Specs
GeForce GT 640
Mobility Radeon HD 5870 Crossfire
Power consumption (TDP)
65 Watt
120 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
DDR3, GDDR3, GDDR5
Maximum RAM amount
2 GB
2x1 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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Mobility Radeon HD 5870 Crossfire has 84% more power consumption, than GeForce GT 640.
GeForce GT 640 and Mobility Radeon HD 5870 Crossfire have maximum RAM of 2 GB.
GeForce GT 640 is used in Desktops, and Mobility Radeon HD 5870 Crossfire - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Mobility Radeon HD 5870 Crossfire - with Terascale 2.
Core clock speed of GeForce GT 640 is 202 MHz higher, than Mobility Radeon HD 5870 Crossfire.
GeForce GT 640 is manufactured by 28 nm process technology, and Mobility Radeon HD 5870 Crossfire - by 40 nm process technology.
Memory clock speed of GeForce GT 640 is 782 MHz higher, than Mobility Radeon HD 5870 Crossfire.
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
16−18
ultra / 1080p
1−2
9−10
QHD / 1440p
0−1
4−5
low / 720p
14−16
30−35
medium / 1080p
5−6
18−20
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Assassin's Creed Odyssey is 216% more, than GeForce GT 640.
high / 1080p
7−8
24−27
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
8−9
4K / 2160p
−
6−7
low / 720p
20−22
50−55
medium / 1080p
7−8
27−30
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Battlefield 5 is 220% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640 in Call of Duty: Warzone is 10% more, than Mobility Radeon HD 5870 Crossfire.
low / 768p
110−120
210−220
medium / 768p
90−95
180−190
ultra / 1080p
45−50
100−110
QHD / 1440p
24−27
50−55
4K / 2160p
18−20
30−35
high / 768p
65−70
140−150
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Counter-Strike: Global Offensive is 100% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Cyberpunk 2077 is 4% more, than GeForce GT 640.
low / 768p
70−75
110−120
medium / 768p
50−55
95−100
ultra / 1080p
27−30
65−70
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Dota 2 is 82% more, than GeForce GT 640.
high / 1080p
3−4
18−20
ultra / 1080p
3−4
16−18
QHD / 1440p
−
16−18
4K / 2160p
2−3
6−7
low / 720p
14−16
40−45
medium / 1080p
4−5
20−22
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Far Cry 5 is 320% more, than GeForce GT 640.
high / 1080p
10−12
24−27
ultra / 1080p
5−6
20−22
QHD / 1440p
2−3
16−18
low / 720p
50−55
100−110
medium / 1080p
16−18
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Fortnite is 164% more, than GeForce GT 640.
high / 1080p
6−7
27−30
ultra / 1080p
−
21−24
QHD / 1440p
4−5
9−10
4K / 2160p
2−3
9−10
low / 720p
21−24
55−60
medium / 1080p
9−10
30−33
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Forza Horizon 4 is 200% more, than GeForce GT 640.
low / 768p
45−50
85−90
medium / 768p
−
75−80
high / 1080p
7−8
30−35
ultra / 1080p
3−4
12−14
QHD / 1440p
0−1
3−4
medium / 720p
40−45
−
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Grand Theft Auto V is 131% more, than GeForce GT 640.
high / 1080p
2−3
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
3−4
low / 720p
8−9
30−35
medium / 1080p
4−5
12−14
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Metro Exodus is 260% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
−
medium / 1080p
−
100−110
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Minecraft is 40% more, than GeForce GT 640.
high / 1080p
−
21−24
ultra / 1080p
12−14
18−20
low / 720p
27−30
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 88% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
0−1
low / 720p
7−8
30−33
medium / 1080p
−
16−18
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in Red Dead Redemption 2 is 216% more, than GeForce GT 640.
low / 768p
14−16
55−60
medium / 768p
10−11
35−40
high / 1080p
5−6
20−22
ultra / 1080p
4−5
10−12
4K / 2160p
0−1
8−9
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in The Witcher 3: Wild Hunt is 287% more, than GeForce GT 640.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
16−18
35−40
high / 768p
30−35
55−60
The average gaming FPS of Mobility Radeon HD 5870 Crossfire in World of Tanks is 66% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Mobility Radeon HD 5870 Crossfire
Architecture
Kepler
Terascale 2
Code name
GK107
Broadway-XT
Type
Desktop
Laptop
Release date
5 June 2012
7 January 2010
Pipelines
384
1600
Core clock speed
902 MHz
700 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
28.86
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1000 MHz
Memory bandwidth
28.51 GB/s
Shared memory
-
DirectX
12 (11_0)
DirectX 11, Shader 5.0
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
Laptop size
large
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