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GeForce GTX 770 and GeForce GTX 660 - video card comparison


Passmark - benchmark score GeForce GTX 770 vs GeForce GTX 660

GeForce GTX 770
6099
GeForce GTX 660
4119

GeForce GTX 770

GeForce GTX 660


Architecture
Kepler (2012−2018)
Kepler (2012−2018)

GPU code name
GK104
GK106

Market segment
Desktop
Desktop

Release date
May 2013
September 2012

Bus support
PCI Express 3.0
PCI Express 3.0

Interface
PCIe 3.0 x16
PCIe 3.0 x16

Minimum recommended system power
600 Watt
-

Supplementary power connectors
One 8-pin and one 6-pin
One 6-pin

SLI options
-
+

Boost clock speed
1085 MHz
1033 MHz

Core clock speed
1046 MHz
980 MHz

CUDA cores
1536
960

Floating-point performance
3,333 gflops
1,981 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
3,540 million
2,540 million

Pipelines / CUDA cores
1536
960

Power consumption (TDP)
230 Watt
140 Watt

Maximum GPU temperature
98 °C
-

Texture fill rate
134 billion/sec
78.4 billion/sec

Memory type
GDDR5
GDDR5

Maximum RAM amount
2 GB
2 GB

Memory bus width
256 Bit
192-bit GDDR5

Memory clock speed
7012 MHz
6.0 GB/s

Memory bandwidth
224.3 GB/s
144.2 GB/s

Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort

Multi monitor support
4 displays
4 displays

HDMI
+
+

HDCP
+
+

Maximum VGA resolution
2048x1536
2048x1536

Audio input for HDMI
Internal
Internal

DirectX
12 (11_0)
12 (11_0)

CUDA
+
+

OpenCL
1.2
1.2

OpenGL
4.3
4.3

Shader Model
5.1
5.1

Vulkan
1.1.126
1.1.126

3D Blu-Ray
-
+

3D Gaming
+
+

3D Vision
+
+

3D Vision Live
+
-

Blu Ray 3D
+
-

PhysX
+
-