GeForce GT 640 vs Radeon HD 4850
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon HD 4850. 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 Radeon HD 4850. 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.
Main Specs
GeForce GT 640
Radeon HD 4850
Power consumption (TDP)
65 Watt
110 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
512 MB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
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Radeon HD 4850 has 69% more power consumption, than GeForce GT 640.
GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon HD 4850 uses PCIe 2.0 x16 interface.
Radeon HD 4850 has 510 GB more memory, than GeForce GT 640.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 4850 - with Terascale 1.
Core clock speed of GeForce GT 640 is 277 MHz higher, than Radeon HD 4850.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon HD 4850 - by 55 nm process technology.
Radeon HD 4850 is 101 mm longer, than GeForce GT 640.
Memory clock speed of GeForce GT 640 is 789 MHz higher, than Radeon HD 4850.
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
1−2
ultra / 1080p
1−2
0−1
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
5−6
3−4
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 16% more, than Radeon HD 4850.
high / 1080p
7−8
6−7
ultra / 1080p
5−6
4−5
QHD / 1440p
0−1
0−1
low / 720p
20−22
16−18
medium / 1080p
7−8
6−7
The average gaming FPS of GeForce GT 640 in Battlefield 5 is 25% more, than Radeon HD 4850.
low / 768p
50−55
45−50
high / 1080p
35−40
40−45
QHD / 1440p
0−1
0−1
GeForce GT 640 and Radeon HD 4850 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
120−130
medium / 768p
90−95
95−100
ultra / 1080p
45−50
40−45
QHD / 1440p
24−27
21−24
4K / 2160p
18−20
10−11
high / 768p
65−70
65−70
The average gaming FPS of GeForce GT 640 in Counter-Strike: Global Offensive is 1% more, than Radeon HD 4850.
low / 768p
70−75
85−90
ultra / 1080p
21−24
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 4% more, than GeForce GT 640.
low / 768p
70−75
80−85
medium / 768p
50−55
55−60
ultra / 1080p
27−30
27−30
The average gaming FPS of Radeon HD 4850 in Dota 2 is 9% more, than GeForce GT 640.
high / 1080p
3−4
2−3
ultra / 1080p
3−4
2−3
4K / 2160p
2−3
1−2
low / 720p
14−16
10−12
medium / 1080p
4−5
3−4
The average gaming FPS of GeForce GT 640 in Far Cry 5 is 25% more, than Radeon HD 4850.
high / 1080p
10−12
10−11
ultra / 1080p
5−6
5−6
QHD / 1440p
2−3
1−2
low / 720p
50−55
50−55
medium / 1080p
16−18
12−14
The average gaming FPS of GeForce GT 640 in Fortnite is 6% more, than Radeon HD 4850.
high / 1080p
6−7
5−6
QHD / 1440p
4−5
3−4
4K / 2160p
2−3
2−3
low / 720p
21−24
16−18
medium / 1080p
9−10
7−8
The average gaming FPS of GeForce GT 640 in Forza Horizon 4 is 28% more, than Radeon HD 4850.
low / 768p
45−50
45−50
medium / 768p
−
35−40
high / 1080p
7−8
6−7
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
GeForce GT 640 and Radeon HD 4850 have the same average FPS in Grand Theft Auto V.
high / 1080p
2−3
1−2
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
−
low / 720p
8−9
5−6
medium / 1080p
4−5
3−4
The average gaming FPS of GeForce GT 640 in Metro Exodus is 66% more, than Radeon HD 4850.
low / 768p
80−85
95−100
high / 1080p
−
60−65
ultra / 1080p
70−75
−
medium / 1080p
−
85−90
The average gaming FPS of Radeon HD 4850 in Minecraft is 18% more, than GeForce GT 640.
ultra / 1080p
12−14
12−14
low / 720p
27−30
27−30
medium / 1080p
14−16
14−16
GeForce GT 640 and Radeon HD 4850 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
high / 1080p
6−7
−
ultra / 1080p
4−5
−
QHD / 1440p
0−1
−
low / 720p
7−8
5−6
The average gaming FPS of GeForce GT 640 in Red Dead Redemption 2 is 40% more, than Radeon HD 4850.
low / 768p
14−16
12−14
medium / 768p
10−11
9−10
high / 1080p
5−6
5−6
ultra / 1080p
4−5
4−5
4K / 2160p
0−1
1−2
GeForce GT 640 and Radeon HD 4850 have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p
70−75
65−70
medium / 768p
35−40
35−40
ultra / 1080p
16−18
14−16
high / 768p
30−35
27−30
The average gaming FPS of GeForce GT 640 in World of Tanks is 5% more, than Radeon HD 4850.
Full Specs
GeForce GT 640
Radeon HD 4850
Architecture
Kepler
Terascale 1
Code name
GK107
RV770
Type
Desktop
Desktop
Release date
5 June 2012
25 June 2008
Pipelines
384
800
Core clock speed
902 MHz
625 MHz
Transistor count
1,270 million
956 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
28.86
25.00
Floating-point performance
692.7 gflops
1,000.0 gflops
Length
145 mm
246 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
993 MHz
Memory bandwidth
28.51 GB/s
63.55 GB/s
DirectX
12 (11_0)
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.6
3.3
OpenCL
1.2
1.1
Vulkan
1.1.126
N/A
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
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