GeForce GTX 660 vs Radeon HD 7970M
In this comparison between GeForce GTX 660 and Radeon HD 7970M 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 GTX 660 will be the best choice, for others Radeon HD 7970M will be their preference. Study the comparison tables below and make your choice.
Radeon HD 7970M is a Laptop Graphics Card
Note: Radeon HD 7970M 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 Radeon HD 7970M here:
Main Specs
GeForce GTX 660
Radeon HD 7970M
Power consumption (TDP)
140 Watt
100 Watt
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
One 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
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GeForce GTX 660 has 40% more power consumption, than Radeon HD 7970M.
GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon HD 7970M uses MXM-B (3.0) interface.
GeForce GTX 660 and Radeon HD 7970M have maximum RAM of 2 GB.
GeForce GTX 660 is used in Desktops, and Radeon HD 7970M - in Laptops.
GeForce GTX 660 is build with Kepler architecture, and Radeon HD 7970M - with GCN.
Core clock speed of GeForce GTX 660 is 130 MHz higher, than Radeon HD 7970M.
GeForce GTX 660 and Radeon HD 7970M are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7970M is 4794 MHz higher, than GeForce GTX 660.
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
20−22
18−20
ultra / 1080p
12−14
10−12
QHD / 1440p
6−7
5−6
4K / 2160p
5−6
4−5
low / 720p
40−45
35−40
medium / 1080p
24−27
21−24
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 18% more, than Radeon HD 7970M.
high / 1080p
30−35
27−30
ultra / 1080p
27−30
24−27
QHD / 1440p
10−12
9−10
4K / 2160p
8−9
6−7
low / 720p
65−70
60−65
medium / 1080p
35−40
30−35
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 11% more, than Radeon HD 7970M.
low / 768p
50−55
50−55
QHD / 1440p
0−1
0−1
GeForce GTX 660 and Radeon HD 7970M have the same average FPS in Call of Duty: Warzone.
low / 768p
230−240
220−230
medium / 768p
200−210
190−200
ultra / 1080p
120−130
110−120
QHD / 1440p
90−95
75−80
4K / 2160p
50−55
40−45
high / 768p
160−170
160−170
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 6% more, than Radeon HD 7970M.
low / 768p
60−65
60−65
ultra / 1080p
50−55
45−50
medium / 1080p
55−60
55−60
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 3% more, than Radeon HD 7970M.
low / 768p
120−130
110−120
medium / 768p
100−110
100−110
ultra / 1080p
80−85
75−80
The average gaming FPS of GeForce GTX 660 in Dota 2 is 5% more, than Radeon HD 7970M.
high / 1080p
24−27
21−24
ultra / 1080p
21−24
20−22
QHD / 1440p
18−20
18−20
4K / 2160p
8−9
7−8
low / 720p
50−55
45−50
medium / 1080p
27−30
24−27
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 13% more, than Radeon HD 7970M.
high / 1080p
30−35
30−33
ultra / 1080p
24−27
21−24
QHD / 1440p
16−18
14−16
low / 720p
120−130
110−120
medium / 1080p
70−75
65−70
The average gaming FPS of GeForce GTX 660 in Fortnite is 8% more, than Radeon HD 7970M.
high / 1080p
30−35
30−35
ultra / 1080p
24−27
24−27
QHD / 1440p
14−16
12−14
4K / 2160p
12−14
12−14
low / 720p
65−70
60−65
medium / 1080p
35−40
35−40
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 3% more, than Radeon HD 7970M.
low / 768p
100−110
95−100
medium / 768p
90−95
85−90
high / 1080p
40−45
35−40
ultra / 1080p
16−18
14−16
QHD / 1440p
7−8
5−6
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 8% more, than Radeon HD 7970M.
high / 1080p
12−14
12−14
ultra / 1080p
10−11
9−10
QHD / 1440p
10−11
−
4K / 2160p
3−4
2−3
low / 720p
40−45
35−40
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 13% more, than Radeon HD 7970M.
low / 768p
120−130
110−120
medium / 1080p
110−120
110−120
The average gaming FPS of GeForce GTX 660 in Minecraft is 4% more, than Radeon HD 7970M.
ultra / 1080p
14−16
14−16
low / 720p
70−75
65−70
medium / 1080p
18−20
18−20
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 6% more, than Radeon HD 7970M.
high / 1080p
14−16
14−16
ultra / 1080p
10−11
9−10
QHD / 1440p
1−2
0−1
4K / 2160p
1−2
−
low / 720p
35−40
35−40
medium / 1080p
21−24
18−20
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 5% more, than Radeon HD 7970M.
low / 768p
70−75
65−70
medium / 768p
45−50
40−45
high / 1080p
24−27
21−24
ultra / 1080p
14−16
12−14
4K / 2160p
8−9
7−8
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 10% more, than Radeon HD 7970M.
low / 768p
90−95
90−95
medium / 768p
60−65
60−65
ultra / 1080p
40−45
40−45
high / 768p
55−60
55−60
GeForce GTX 660 and Radeon HD 7970M have the same average FPS in World of Tanks.
Full Specs
GeForce GTX 660
Radeon HD 7970M
Architecture
Kepler
GCN
Code name
GK106
Wimbledon XT
Type
Desktop
Laptop
Release date
6 September 2012
1 May 2012
Pipelines
960
1280
Core clock speed
980 MHz
850 MHz
Boost Clock
1033 MHz
Transistor count
2,540 million
2,800 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
78.4 billion/sec
68.00
Floating-point performance
1,981 gflops
2,176 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
4800 MHz
Memory bandwidth
144.2 GB/s
153.6 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.3
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
+
CUDA cores
960
Bus support
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
Multi monitor support
4 displays
HDMI
+
HDCP
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
66 Mh/s
254 Mh/s
Laptop size
large
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