GeForce GTX 660M vs Radeon HD 4890
When choosing between GeForce GTX 660M and Radeon HD 4890, 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 GTX 660M and Radeon HD 4890.
GeForce GTX 660M is a Laptop Graphics Card
Note: GeForce GTX 660M 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 GeForce GTX 660M here:
Main Specs
GeForce GTX 660M
Radeon HD 4890
Power consumption (TDP)
50 Watt
190 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Display Connectors
No outputs
2x DVI, 1x S-Video
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Radeon HD 4890 has 280% more power consumption, than GeForce GTX 660M.
GeForce GTX 660M is connected by MXM-B (3.0), and Radeon HD 4890 uses PCIe 2.0 x16 interface.
GeForce GTX 660M has 1 GB more memory, than Radeon HD 4890.
GeForce GTX 660M is used in Laptops, and Radeon HD 4890 - in Desktops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 4890 - with TeraScale.
Core clock speed of Radeon HD 4890 is 15 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M is manufactured by 28 nm process technology, and Radeon HD 4890 - by 55 nm process technology.
Memory clock speed of Radeon HD 4890 is 1900 MHz higher, than GeForce GTX 660M.
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
6−7
7−8
ultra / 1080p
4−5
4−5
QHD / 1440p
0−1
0−1
low / 720p
16−18
16−18
medium / 1080p
8−9
8−9
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
10−11
QHD / 1440p
0−1
0−1
low / 720p
24−27
24−27
medium / 1080p
12−14
12−14
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Battlefield 5.
low / 768p
45−50
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Call of Duty: Warzone.
low / 768p
130−140
140−150
medium / 768p
110−120
110−120
ultra / 1080p
50−55
55−60
QHD / 1440p
27−30
30−33
4K / 2160p
27−30
27−30
high / 768p
80−85
80−85
The average gaming FPS of Radeon HD 4890 in Counter-Strike: Global Offensive is 4% more, than GeForce GTX 660M.
low / 768p
55−60
55−60
ultra / 1080p
18−20
20−22
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 4890 in Cyberpunk 2077 is 2% more, than GeForce GTX 660M.
low / 768p
80−85
80−85
medium / 768p
55−60
60−65
ultra / 1080p
30−35
35−40
The average gaming FPS of Radeon HD 4890 in Dota 2 is 5% more, than GeForce GTX 660M.
high / 1080p
8−9
8−9
ultra / 1080p
7−8
8−9
4K / 2160p
3−4
3−4
low / 720p
18−20
18−20
medium / 1080p
8−9
9−10
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Far Cry 5.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
10−11
low / 720p
60−65
60−65
medium / 1080p
21−24
24−27
The average gaming FPS of Radeon HD 4890 in Fortnite is 3% more, than GeForce GTX 660M.
high / 1080p
12−14
12−14
ultra / 1080p
10−12
10−12
QHD / 1440p
1−2
1−2
low / 720p
24−27
27−30
medium / 1080p
14−16
14−16
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Forza Horizon 4.
low / 768p
50−55
50−55
medium / 768p
45−50
45−50
high / 1080p
12−14
12−14
ultra / 1080p
6−7
6−7
QHD / 1440p
0−1
0−1
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Grand Theft Auto V.
high / 1080p
4−5
5−6
ultra / 1080p
3−4
3−4
4K / 2160p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
6−7
6−7
The average gaming FPS of Radeon HD 4890 in Metro Exodus is 16% more, than GeForce GTX 660M.
low / 768p
95−100
95−100
high / 1080p
90−95
90−95
ultra / 1080p
80−85
80−85
medium / 1080p
90−95
90−95
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Minecraft.
high / 1080p
16−18
16−18
ultra / 1080p
14−16
14−16
low / 720p
30−35
30−35
medium / 1080p
18−20
18−20
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
ultra / 1080p
7−8
7−8
QHD / 1440p
0−1
0−1
low / 720p
12−14
12−14
medium / 1080p
10−12
10−12
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in Red Dead Redemption 2.
low / 768p
24−27
24−27
medium / 768p
16−18
16−18
high / 1080p
9−10
9−10
ultra / 1080p
6−7
6−7
4K / 2160p
6−7
6−7
GeForce GTX 660M and Radeon HD 4890 have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p
85−90
85−90
medium / 768p
45−50
45−50
ultra / 1080p
18−20
20−22
high / 768p
35−40
35−40
The average gaming FPS of Radeon HD 4890 in World of Tanks is 2% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Radeon HD 4890
Architecture
Kepler
TeraScale
Code name
N13E-GE
RV790
Type
Laptop
Desktop
Release date
22 March 2012
2 April 2009
Pipelines
384
800
Core clock speed
835 MHz
850 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
959 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
30.4 billion/sec
34.00
Floating-point performance
729.6 gflops
1,360.0 gflops
Length
241 mm
Memory bus width
128bit
256 Bit
Memory clock speed
2000 MHz
3900 MHz
Memory bandwidth
64.0 GB/s
124.8 GB/s
Shared memory
-
DirectX
12 API
10.1 (10_1)
Shader Model
5.1
4.1
OpenGL
4.5
3.3
OpenCL
1.1
1.1
Vulkan
1.1.126
N/A
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
SLI options
+
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
Bitcoin / BTC (SHA256)
36 Mh/s
Laptop size
large
Optimus
+
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