GeForce GTX 660M vs Radeon HD 7870
If you are going to buy a new graphics card and are choosing between GeForce GTX 660M and Radeon HD 7870, 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 7870, 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 7870
Power consumption (TDP)
50 Watt
175 Watt
Interface
MXM-B (3.0)
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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Radeon HD 7870 has 250% more power consumption, than GeForce GTX 660M.
GeForce GTX 660M and Radeon HD 7870 have maximum RAM of 2 GB.
GeForce GTX 660M is used in Laptops, and Radeon HD 7870 - in Desktops.
GeForce GTX 660M is build with Kepler architecture, and Radeon HD 7870 - with GCN.
Core clock speed of Radeon HD 7870 is 165 MHz higher, than GeForce GTX 660M.
GeForce GTX 660M and Radeon HD 7870 are manufactured by 28 nm process technology.
Memory clock speed of Radeon HD 7870 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
24−27
ultra / 1080p
4−5
14−16
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
16−18
45−50
medium / 1080p
8−9
30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 222% more, than GeForce GTX 660M.
high / 1080p
12−14
35−40
ultra / 1080p
10−11
30−35
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
24−27
75−80
medium / 1080p
12−14
40−45
The average gaming FPS of Radeon HD 7870 in Battlefield 5 is 213% 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 7870 in Call of Duty: Warzone is 10% more, than GeForce GTX 660M.
low / 768p
130−140
240−250
medium / 768p
110−120
210−220
ultra / 1080p
50−55
130−140
QHD / 1440p
27−30
100−110
4K / 2160p
27−30
60−65
high / 768p
80−85
180−190
The average gaming FPS of Radeon HD 7870 in Counter-Strike: Global Offensive is 115% 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 7870 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
85−90
The average gaming FPS of Radeon HD 7870 in Dota 2 is 91% more, than GeForce GTX 660M.
high / 1080p
8−9
30−33
ultra / 1080p
7−8
27−30
QHD / 1440p
−
21−24
4K / 2160p
3−4
9−10
low / 720p
18−20
60−65
medium / 1080p
8−9
30−35
The average gaming FPS of Radeon HD 7870 in Far Cry 5 is 255% more, than GeForce GTX 660M.
high / 1080p
14−16
35−40
ultra / 1080p
10−11
30−33
QHD / 1440p
−
18−20
low / 720p
60−65
130−140
medium / 1080p
21−24
80−85
The average gaming FPS of Radeon HD 7870 in Fortnite is 162% more, than GeForce GTX 660M.
high / 1080p
12−14
40−45
ultra / 1080p
10−12
30−33
QHD / 1440p
1−2
18−20
4K / 2160p
−
14−16
low / 720p
24−27
75−80
medium / 1080p
14−16
45−50
The average gaming FPS of Radeon HD 7870 in Forza Horizon 4 is 230% more, than GeForce GTX 660M.
low / 768p
50−55
110−120
medium / 768p
45−50
100−110
high / 1080p
12−14
45−50
ultra / 1080p
6−7
20−22
QHD / 1440p
0−1
10−11
The average gaming FPS of Radeon HD 7870 in Grand Theft Auto V is 148% more, than GeForce GTX 660M.
high / 1080p
4−5
14−16
ultra / 1080p
3−4
12−14
QHD / 1440p
−
10−12
4K / 2160p
0−1
4−5
low / 720p
12−14
45−50
medium / 1080p
6−7
21−24
The average gaming FPS of Radeon HD 7870 in Metro Exodus is 300% more, than GeForce GTX 660M.
low / 768p
95−100
120−130
high / 1080p
90−95
−
ultra / 1080p
80−85
−
medium / 1080p
90−95
110−120
The average gaming FPS of Radeon HD 7870 in Minecraft is 26% more, than GeForce GTX 660M.
high / 1080p
16−18
−
ultra / 1080p
14−16
14−16
low / 720p
30−35
75−80
medium / 1080p
18−20
18−20
The average gaming FPS of Radeon HD 7870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 68% more, than GeForce GTX 660M.
high / 1080p
−
16−18
ultra / 1080p
7−8
10−12
QHD / 1440p
0−1
4−5
4K / 2160p
−
2−3
low / 720p
12−14
45−50
medium / 1080p
10−12
24−27
The average gaming FPS of Radeon HD 7870 in Red Dead Redemption 2 is 180% more, than GeForce GTX 660M.
low / 768p
24−27
85−90
medium / 768p
16−18
50−55
high / 1080p
9−10
30−33
ultra / 1080p
6−7
16−18
4K / 2160p
6−7
10−11
The average gaming FPS of Radeon HD 7870 in The Witcher 3: Wild Hunt is 200% more, than GeForce GTX 660M.
low / 768p
85−90
90−95
medium / 768p
45−50
60−65
ultra / 1080p
18−20
45−50
high / 768p
35−40
55−60
The average gaming FPS of Radeon HD 7870 in World of Tanks is 38% more, than GeForce GTX 660M.
Full Specs
GeForce GTX 660M
Radeon HD 7870
Architecture
Kepler
GCN
Code name
N13E-GE
Pitcairn XT
Type
Laptop
Desktop
Release date
22 March 2012
5 March 2012
Pipelines
384
1280
Core clock speed
835 MHz
1000 MHz
Boost Clock
950 MHz
Transistor count
1,270 million
2800 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
256 Bit
Memory clock speed
2000 MHz
4800 MHz
Memory bandwidth
64.0 GB/s
Shared memory
-
-
DirectX
12 API
DirectX 11.1, Shader 5.1
Shader Model
5.1
OpenGL
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
Monero / XMR (CryptoNight)
0.39 kh/s
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
+
Eyefinity
+
Decred / DCR (Decred)
0.63 Gh/s
Ethereum / ETH (DaggerHashimoto)
16.6 Mh/s
Zcash / ZEC (Equihash)
145 Sol/s
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