GeForce GTX 660 vs GTX 1070 SLI

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Aggregate performance score

We've compared GeForce GTX 1070 SLI and GeForce GTX 660, covering specs and all relevant benchmarks.

GTX 1070 SLI
2016
2x 8 GB GDDR5, 300 Watt
38.03
+266%

GTX 1070 SLI outperforms GTX 660 by a whopping 266% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking122439
Place by popularitynot in top-10076
Cost-effectiveness evaluationno data3.42
Power efficiency8.695.09
ArchitecturePascal (2016−2021)Kepler (2012−2018)
GPU code namePascal GP104 SLIGK106
Market segmentDesktopDesktop
Release date16 August 2016 (8 years ago)6 September 2012 (12 years ago)
Launch price (MSRP)no data$229

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3840960
Core clock speed1506 MHz980 MHz
Boost clock speed1683 MHz1033 MHz
Number of transistors14400 Million2,540 million
Manufacturing process technology16 nm28 nm
Power consumption (TDP)300 Watt140 Watt
Texture fill rateno data82.56
Floating-point processing powerno data1.981 TFLOPS
ROPsno data24
TMUsno data80

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus supportno dataPCI Express 3.0
Interfaceno dataPCIe 3.0 x16
Lengthno data241 mm
Heightno data4.376" (11.1 cm)
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin
SLI options++

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount2x 8 GB2 GB
Memory bus width256 Bit192-bit GDDR5
Memory clock speed8000 MHz6.0 GB/s
Memory bandwidthno data144.2 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectorsno dataOne Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor supportno data4 displays
HDMI-+
HDCP-+
Maximum VGA resolutionno data2048x1536
G-SYNC support+-
Audio input for HDMIno dataInternal

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray-+
3D Gaming-+
3D Vision-+
VR Ready+no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12_112 (11_0)
Shader Modelno data5.1
OpenGLno data4.3
OpenCLno data1.2
Vulkan+1.1.126
CUDA++

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GTX 1070 SLI 38.03
+266%
GTX 660 10.40

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

GTX 1070 SLI 34226
+579%
GTX 660 5040

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD119
+153%
47
−153%
4K59
+269%
16−18
−269%

Cost per frame, $

1080pno data4.87
4Kno data14.31

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 65−70
+272%
18−20
−272%

Full HD
Medium Preset

Assassin's Creed Odyssey 80−85
+286%
21−24
−286%
Assassin's Creed Valhalla 65−70
+267%
18−20
−267%
Battlefield 5 120−130
+310%
30−33
−310%
Call of Duty: Modern Warfare 75−80
+271%
21−24
−271%
Cyberpunk 2077 65−70
+272%
18−20
−272%
Far Cry 5 90
+275%
24−27
−275%
Far Cry New Dawn 95−100
+296%
24−27
−296%
Forza Horizon 4 180−190
+278%
50−55
−278%
Hitman 3 80−85
+290%
21−24
−290%
Horizon Zero Dawn 160−170
+303%
40−45
−303%
Metro Exodus 120−130
+313%
30−33
−313%
Red Dead Redemption 2 90−95
+275%
24−27
−275%
Shadow of the Tomb Raider 130−140
+297%
35−40
−297%
Watch Dogs: Legion 120−130
+323%
30−33
−323%

Full HD
High Preset

Assassin's Creed Odyssey 80−85
+286%
21−24
−286%
Assassin's Creed Valhalla 65−70
+267%
18−20
−267%
Battlefield 5 120−130
+310%
30−33
−310%
Call of Duty: Modern Warfare 75−80
+271%
21−24
−271%
Cyberpunk 2077 65−70
+272%
18−20
−272%
Far Cry 5 64
+300%
16−18
−300%
Far Cry New Dawn 95−100
+296%
24−27
−296%
Forza Horizon 4 180−190
+278%
50−55
−278%
Hitman 3 80−85
+290%
21−24
−290%
Horizon Zero Dawn 160−170
+303%
40−45
−303%
Metro Exodus 120−130
+313%
30−33
−313%
Red Dead Redemption 2 90−95
+275%
24−27
−275%
Shadow of the Tomb Raider 130−140
+297%
35−40
−297%
The Witcher 3: Wild Hunt 75−80
+276%
21−24
−276%
Watch Dogs: Legion 120−130
+323%
30−33
−323%

Full HD
Ultra Preset

Assassin's Creed Odyssey 80−85
+286%
21−24
−286%
Assassin's Creed Valhalla 65−70
+267%
18−20
−267%
Call of Duty: Modern Warfare 75−80
+271%
21−24
−271%
Cyberpunk 2077 65−70
+272%
18−20
−272%
Far Cry 5 48
+300%
12−14
−300%
Forza Horizon 4 180−190
+278%
50−55
−278%
Hitman 3 80−85
+290%
21−24
−290%
Horizon Zero Dawn 160−170
+303%
40−45
−303%
Shadow of the Tomb Raider 130−140
+297%
35−40
−297%
The Witcher 3: Wild Hunt 73
+306%
18−20
−306%
Watch Dogs: Legion 120−130
+323%
30−33
−323%

Full HD
Epic Preset

Red Dead Redemption 2 90−95
+275%
24−27
−275%

1440p
High Preset

Battlefield 5 70−75
+311%
18−20
−311%
Far Cry New Dawn 55−60
+269%
16−18
−269%

1440p
Ultra Preset

Assassin's Creed Odyssey 40−45
+310%
10−11
−310%
Assassin's Creed Valhalla 40−45
+320%
10−11
−320%
Call of Duty: Modern Warfare 45−50
+275%
12−14
−275%
Cyberpunk 2077 30−33
+275%
8−9
−275%
Far Cry 5 40−45
+267%
12−14
−267%
Forza Horizon 4 210−220
+293%
55−60
−293%
Hitman 3 45−50
+308%
12−14
−308%
Horizon Zero Dawn 80−85
+295%
21−24
−295%
Metro Exodus 70−75
+300%
18−20
−300%
Shadow of the Tomb Raider 90−95
+283%
24−27
−283%
The Witcher 3: Wild Hunt 55−60
+293%
14−16
−293%
Watch Dogs: Legion 180−190
+278%
50−55
−278%

1440p
Epic Preset

Red Dead Redemption 2 65−70
+267%
18−20
−267%

4K
High Preset

Battlefield 5 35−40
+280%
10−11
−280%
Far Cry New Dawn 30−35
+300%
8−9
−300%
Hitman 3 30−35
+288%
8−9
−288%
Horizon Zero Dawn 170−180
+298%
45−50
−298%
Metro Exodus 45−50
+308%
12−14
−308%
The Witcher 3: Wild Hunt 54
+286%
14−16
−286%

4K
Ultra Preset

Assassin's Creed Odyssey 24−27
+271%
7−8
−271%
Assassin's Creed Valhalla 24−27
+300%
6−7
−300%
Call of Duty: Modern Warfare 24−27
+300%
6−7
−300%
Cyberpunk 2077 12−14
+333%
3−4
−333%
Far Cry 5 20
+300%
5−6
−300%
Forza Horizon 4 50−55
+279%
14−16
−279%
Shadow of the Tomb Raider 50−55
+271%
14−16
−271%
Watch Dogs: Legion 18−20
+280%
5−6
−280%

4K
Epic Preset

Red Dead Redemption 2 30−35
+278%
9−10
−278%

This is how GTX 1070 SLI and GTX 660 compete in popular games:

  • GTX 1070 SLI is 153% faster in 1080p
  • GTX 1070 SLI is 269% faster in 4K

Pros & cons summary


Performance score 38.03 10.40
Recency 16 August 2016 6 September 2012
Chip lithography 16 nm 28 nm
Power consumption (TDP) 300 Watt 140 Watt

GTX 1070 SLI has a 265.7% higher aggregate performance score, an age advantage of 3 years, and a 75% more advanced lithography process.

GTX 660, on the other hand, has 114.3% lower power consumption.

The GeForce GTX 1070 SLI is our recommended choice as it beats the GeForce GTX 660 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce GTX 1070 SLI
GeForce GTX 1070 SLI
NVIDIA GeForce GTX 660
GeForce GTX 660

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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Questions & comments

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