GeForce GTX 660M vs Radeon HD 4850
If you are going to buy a new graphics card and are choosing between GeForce GTX 660M and Radeon HD 4850, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 660M stacks up against Radeon HD 4850, check out specs charts below.
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 4850
Power consumption (TDP)
50 Watt
110 Watt
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Display Connectors
No outputs
2x DVI, 1x S-Video
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Radeon HD 4850 has 120% more power consumption, than GeForce GTX 660M.
GeForce GTX 660M is connected by MXM-B (3.0), and Radeon HD 4850 uses PCIe 2.0 x16 interface.
Radeon HD 4850 has 510 GB more memory, than GeForce GTX 660M.
GeForce GTX 660M is used in Laptops, and Radeon HD 4850 - in Desktops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 4850 - with Terascale 1.
Core clock speed of GeForce GTX 660M is 210 MHz higher, than Radeon HD 4850.
GeForce GTX 660M is manufactured by 28 nm process technology, and Radeon HD 4850 - by 55 nm process technology.
Memory clock speed of GeForce GTX 660M is 1007 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
6−7
1−2
ultra / 1080p
4−5
0−1
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
8−9
3−4
The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 66% more, than Radeon HD 4850.
high / 1080p
12−14
6−7
ultra / 1080p
10−11
4−5
QHD / 1440p
0−1
0−1
low / 720p
24−27
16−18
medium / 1080p
12−14
6−7
The average gaming FPS of GeForce GTX 660M in Battlefield 5 is 87% more, than Radeon HD 4850.
low / 768p
45−50
45−50
high / 1080p
45−50
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 660M in Call of Duty: Warzone is 4% more, than Radeon HD 4850.
low / 768p
130−140
120−130
medium / 768p
110−120
95−100
ultra / 1080p
50−55
40−45
QHD / 1440p
27−30
21−24
4K / 2160p
27−30
10−11
high / 768p
80−85
65−70
The average gaming FPS of GeForce GTX 660M in Counter-Strike: Global Offensive is 21% more, than Radeon HD 4850.
low / 768p
55−60
85−90
ultra / 1080p
18−20
18−20
medium / 1080p
45−50
40−45
The average gaming FPS of Radeon HD 4850 in Cyberpunk 2077 is 19% more, than GeForce GTX 660M.
low / 768p
80−85
80−85
medium / 768p
55−60
55−60
ultra / 1080p
30−35
27−30
The average gaming FPS of GeForce GTX 660M in Dota 2 is 1% more, than Radeon HD 4850.
high / 1080p
8−9
2−3
ultra / 1080p
7−8
2−3
4K / 2160p
3−4
1−2
low / 720p
18−20
10−12
medium / 1080p
8−9
3−4
The average gaming FPS of GeForce GTX 660M in Far Cry 5 is 125% more, than Radeon HD 4850.
high / 1080p
14−16
10−11
ultra / 1080p
10−11
5−6
QHD / 1440p
−
1−2
low / 720p
60−65
50−55
medium / 1080p
21−24
12−14
The average gaming FPS of GeForce GTX 660M in Fortnite is 35% more, than Radeon HD 4850.
high / 1080p
12−14
5−6
ultra / 1080p
10−12
−
QHD / 1440p
1−2
3−4
4K / 2160p
−
2−3
low / 720p
24−27
16−18
medium / 1080p
14−16
7−8
The average gaming FPS of GeForce GTX 660M in Forza Horizon 4 is 62% more, than Radeon HD 4850.
low / 768p
50−55
45−50
medium / 768p
45−50
35−40
high / 1080p
12−14
6−7
ultra / 1080p
6−7
3−4
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 660M in Grand Theft Auto V is 26% more, than Radeon HD 4850.
high / 1080p
4−5
1−2
ultra / 1080p
3−4
0−1
4K / 2160p
0−1
−
low / 720p
12−14
5−6
medium / 1080p
6−7
3−4
The average gaming FPS of GeForce GTX 660M in Metro Exodus is 166% more, than Radeon HD 4850.
low / 768p
95−100
95−100
high / 1080p
90−95
60−65
ultra / 1080p
80−85
−
medium / 1080p
90−95
85−90
The average gaming FPS of GeForce GTX 660M in Minecraft is 14% more, than Radeon HD 4850.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
30−35
27−30
medium / 1080p
18−20
14−16
The average gaming FPS of GeForce GTX 660M in PLAYERUNKNOWN'S BATTLEGROUNDS is 22% more, than Radeon HD 4850.
ultra / 1080p
7−8
−
QHD / 1440p
0−1
−
low / 720p
12−14
5−6
medium / 1080p
10−12
−
The average gaming FPS of GeForce GTX 660M in Red Dead Redemption 2 is 160% more, than Radeon HD 4850.
low / 768p
24−27
12−14
medium / 768p
16−18
9−10
high / 1080p
9−10
5−6
ultra / 1080p
6−7
4−5
4K / 2160p
6−7
1−2
The average gaming FPS of GeForce GTX 660M in The Witcher 3: Wild Hunt is 116% more, than Radeon HD 4850.
low / 768p
85−90
65−70
medium / 768p
45−50
35−40
ultra / 1080p
18−20
14−16
high / 768p
35−40
27−30
The average gaming FPS of GeForce GTX 660M in World of Tanks is 27% more, than Radeon HD 4850.
Full Specs
GeForce GTX 660M
Radeon HD 4850
Architecture
Kepler
Terascale 1
Code name
N13E-GE
RV770
Type
Laptop
Desktop
Release date
22 March 2012
25 June 2008
Pipelines
384
800
Core clock speed
835 MHz
625 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
956 million
Manufacturing process technology
28 nm
55 nm
Texture fill rate
30.4 billion/sec
25.00
Floating-point performance
729.6 gflops
1,000.0 gflops
Length
246 mm
Memory bus width
128bit
256 Bit
Memory clock speed
2000 MHz
993 MHz
Memory bandwidth
64.0 GB/s
63.55 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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