GeForce GTX 660M vs Radeon HD 7970M Crossfire
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon HD 7970M 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 GTX 660M and Radeon HD 7970M 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.
GeForce GTX 660M and Radeon HD 7970M Crossfire are Laptop Graphics Cards
Note: GeForce GTX 660M and Radeon HD 7970M Crossfire are only used in laptop graphics. They have 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 or Radeon HD 7970M Crossfire here:
Main Specs
GeForce GTX 660M
Radeon HD 7970M Crossfire
Power consumption (TDP)
50 Watt
200 Watt
Interface
MXM-B (3.0)
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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Radeon HD 7970M Crossfire has 300% more power consumption, than GeForce GTX 660M.
Both cards are used in Laptops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 7970M Crossfire - with GCN.
Core clock speed of Radeon HD 7970M Crossfire is 15 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and Radeon HD 7970M Crossfire are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7970M Crossfire is 2800 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
35−40
ultra / 1080p
4−5
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
16−18
60−65
medium / 1080p
8−9
40−45
The average gaming FPS of Radeon HD 7970M Crossfire in Assassin's Creed Odyssey is 355% more, than GeForce GTX 660M.
high / 1080p
12−14
55−60
ultra / 1080p
10−11
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
24−27
100−110
medium / 1080p
12−14
60−65
The average gaming FPS of Radeon HD 7970M Crossfire in Battlefield 5 is 353% more, than GeForce GTX 660M.
low / 768p
45−50
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7970M Crossfire in Call of Duty: Warzone is 10% more, than GeForce GTX 660M.
low / 768p
130−140
250−260
medium / 768p
110−120
220−230
ultra / 1080p
50−55
180−190
QHD / 1440p
27−30
110−120
4K / 2160p
27−30
70−75
high / 768p
80−85
210−220
The average gaming FPS of Radeon HD 7970M Crossfire in Counter-Strike: Global Offensive is 142% more, than GeForce GTX 660M.
low / 768p
55−60
60−65
ultra / 1080p
18−20
−
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon HD 7970M Crossfire in Cyberpunk 2077 is 15% more, than GeForce GTX 660M.
low / 768p
80−85
120−130
medium / 768p
55−60
110−120
ultra / 1080p
30−35
100−110
The average gaming FPS of Radeon HD 7970M Crossfire in Dota 2 is 101% more, than GeForce GTX 660M.
high / 1080p
8−9
45−50
ultra / 1080p
7−8
40−45
QHD / 1440p
−
27−30
4K / 2160p
3−4
14−16
low / 720p
18−20
80−85
medium / 1080p
8−9
45−50
The average gaming FPS of Radeon HD 7970M Crossfire in Far Cry 5 is 422% more, than GeForce GTX 660M.
high / 1080p
14−16
60−65
ultra / 1080p
10−11
45−50
QHD / 1440p
−
27−30
4K / 2160p
−
27−30
low / 720p
60−65
180−190
medium / 1080p
21−24
110−120
The average gaming FPS of Radeon HD 7970M Crossfire in Fortnite is 277% more, than GeForce GTX 660M.
high / 1080p
12−14
60−65
ultra / 1080p
10−12
45−50
QHD / 1440p
1−2
30−35
4K / 2160p
−
24−27
low / 720p
24−27
100−110
medium / 1080p
14−16
65−70
The average gaming FPS of Radeon HD 7970M Crossfire in Forza Horizon 4 is 384% more, than GeForce GTX 660M.
low / 768p
50−55
140−150
medium / 768p
45−50
120−130
high / 1080p
12−14
70−75
ultra / 1080p
6−7
30−35
QHD / 1440p
0−1
21−24
The average gaming FPS of Radeon HD 7970M Crossfire in Grand Theft Auto V is 220% more, than GeForce GTX 660M.
high / 1080p
4−5
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
12−14
65−70
medium / 1080p
6−7
30−35
The average gaming FPS of Radeon HD 7970M Crossfire in Metro Exodus is 500% more, than GeForce GTX 660M.
low / 768p
95−100
130−140
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
120−130
The average gaming FPS of Radeon HD 7970M Crossfire in Minecraft is 36% more, than GeForce GTX 660M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
100−110
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7970M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 109% more, than GeForce GTX 660M.
high / 1080p
−
24−27
ultra / 1080p
7−8
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
12−14
65−70
medium / 1080p
10−12
35−40
The average gaming FPS of Radeon HD 7970M Crossfire in Red Dead Redemption 2 is 300% more, than GeForce GTX 660M.
low / 768p
24−27
130−140
medium / 768p
16−18
85−90
high / 1080p
9−10
45−50
ultra / 1080p
6−7
24−27
4K / 2160p
6−7
16−18
The average gaming FPS of Radeon HD 7970M Crossfire in The Witcher 3: Wild Hunt is 376% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
50−55
high / 768p
35−40
60−65
The average gaming FPS of Radeon HD 7970M Crossfire in World of Tanks is 42% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Radeon HD 7970M Crossfire
Architecture
Kepler
GCN
Code name
N13E-GE
Wimbledon XT
Type
Laptop
Laptop
Release date
22 March 2012
1 May 2012
Pipelines
384
2560
Core clock speed
835 MHz
850 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
30.4 billion/sec
Floating-point performance
729.6 gflops
Memory bus width
128bit
2x 256 Bit
Memory clock speed
2000 MHz
4800 MHz
Memory bandwidth
64.0 GB/s
Shared memory
-
-
DirectX
12 API
DirectX 11.1, Shader 5.0
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
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
large
Optimus
+
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