GeForce GT 640 vs Radeon HD 4890
In this comparison between GeForce GT 640 and Radeon HD 4890 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 HD 4890 will be their preference. Study the comparison tables below and make your choice.
Main Specs
GeForce GT 640
Radeon HD 4890
Power consumption (TDP)
65 Watt
190 Watt
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
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Radeon HD 4890 has 192% more power consumption, than GeForce GT 640.
GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon HD 4890 uses PCIe 2.0 x16 interface.
GeForce GT 640 has 1 GB more memory, than Radeon HD 4890.
Both cards are used in Desktops.
GeForce GT 640 is build with Kepler architecture, and Radeon HD 4890 - with TeraScale.
Core clock speed of GeForce GT 640 is 52 MHz higher, than Radeon HD 4890.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon HD 4890 - by 55 nm process technology.
Radeon HD 4890 is 96 mm longer, than GeForce GT 640.
Memory clock speed of Radeon HD 4890 is 2118 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
7−8
ultra / 1080p
1−2
4−5
QHD / 1440p
0−1
0−1
low / 720p
14−16
16−18
medium / 1080p
5−6
8−9
The average gaming FPS of Radeon HD 4890 in Assassin's Creed Odyssey is 50% more, than GeForce GT 640.
high / 1080p
7−8
12−14
ultra / 1080p
5−6
10−11
QHD / 1440p
0−1
0−1
low / 720p
20−22
24−27
medium / 1080p
7−8
12−14
The average gaming FPS of Radeon HD 4890 in Battlefield 5 is 50% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 4890 in Call of Duty: Warzone is 4% more, than GeForce GT 640.
low / 768p
110−120
140−150
medium / 768p
90−95
110−120
ultra / 1080p
45−50
55−60
QHD / 1440p
24−27
30−33
4K / 2160p
18−20
27−30
high / 768p
65−70
80−85
The average gaming FPS of Radeon HD 4890 in Counter-Strike: Global Offensive is 24% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
20−22
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 11% more, than Radeon HD 4890.
low / 768p
70−75
80−85
medium / 768p
50−55
60−65
ultra / 1080p
27−30
35−40
The average gaming FPS of Radeon HD 4890 in Dota 2 is 17% more, than GeForce GT 640.
high / 1080p
3−4
8−9
ultra / 1080p
3−4
8−9
4K / 2160p
2−3
3−4
low / 720p
14−16
18−20
medium / 1080p
4−5
9−10
The average gaming FPS of Radeon HD 4890 in Far Cry 5 is 80% more, than GeForce GT 640.
high / 1080p
10−12
14−16
ultra / 1080p
5−6
10−11
QHD / 1440p
2−3
−
low / 720p
50−55
60−65
medium / 1080p
16−18
24−27
The average gaming FPS of Radeon HD 4890 in Fortnite is 33% more, than GeForce GT 640.
high / 1080p
6−7
12−14
ultra / 1080p
−
10−12
QHD / 1440p
4−5
1−2
4K / 2160p
2−3
−
low / 720p
21−24
27−30
medium / 1080p
9−10
14−16
The average gaming FPS of Radeon HD 4890 in Forza Horizon 4 is 40% more, than GeForce GT 640.
low / 768p
45−50
50−55
medium / 768p
−
45−50
high / 1080p
7−8
12−14
ultra / 1080p
3−4
6−7
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 4890 in Grand Theft Auto V is 26% more, than GeForce GT 640.
high / 1080p
2−3
5−6
ultra / 1080p
0−1
3−4
4K / 2160p
0−1
0−1
low / 720p
8−9
12−14
medium / 1080p
4−5
6−7
The average gaming FPS of Radeon HD 4890 in Metro Exodus is 60% more, than GeForce GT 640.
low / 768p
80−85
95−100
high / 1080p
−
90−95
ultra / 1080p
70−75
80−85
medium / 1080p
−
90−95
The average gaming FPS of Radeon HD 4890 in Minecraft is 16% more, than GeForce GT 640.
high / 1080p
−
16−18
ultra / 1080p
12−14
14−16
low / 720p
27−30
30−35
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 4890 in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than GeForce GT 640.
high / 1080p
6−7
−
ultra / 1080p
4−5
7−8
QHD / 1440p
0−1
0−1
low / 720p
7−8
12−14
medium / 1080p
−
10−12
The average gaming FPS of Radeon HD 4890 in Red Dead Redemption 2 is 66% more, than GeForce GT 640.
low / 768p
14−16
24−27
medium / 768p
10−11
16−18
high / 1080p
5−6
9−10
ultra / 1080p
4−5
6−7
4K / 2160p
0−1
6−7
The average gaming FPS of Radeon HD 4890 in The Witcher 3: Wild Hunt is 75% more, than GeForce GT 640.
low / 768p
70−75
85−90
medium / 768p
35−40
45−50
ultra / 1080p
16−18
20−22
high / 768p
30−35
35−40
The average gaming FPS of Radeon HD 4890 in World of Tanks is 23% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon HD 4890
Architecture
Kepler
TeraScale
Code name
GK107
RV790
Type
Desktop
Desktop
Release date
5 June 2012
2 April 2009
Pipelines
384
800
Core clock speed
902 MHz
850 MHz
Transistor count
1,270 million
959 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
28.86
34.00
Floating-point performance
692.7 gflops
1,360.0 gflops
Length
145 mm
241 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
3900 MHz
Memory bandwidth
28.51 GB/s
124.8 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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