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GeForce GTX 660 Ti and Radeon HD 7750 - video card comparison


Passmark - benchmark score GeForce GTX 660 Ti vs Radeon HD 7750

GeForce GTX 660 Ti
4547
Radeon HD 7750
1754

GeForce GTX 660 Ti

Radeon HD 7750


Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)

GPU code name
GK104
Cape Verde

Market segment
Desktop
Desktop

Release date
August 2012
February 2012

Bus support
PCI Express 3.0
PCIe 2.1 x16

Interface
PCIe 3.0 x16
PCIe 3.0 x16

Supplementary power connectors
Two 6-pin
None

SLI options
+
-

Boost clock speed
980 MHz
800 MHz

Core clock speed
915 MHz
-

CUDA cores
1344
-

Floating-point performance
2,459.5 gflops
819.2 gflops

Manufacturing process technology
28 nm
28 nm

Number of transistors
3,540 million
1,500 million

Pipelines / CUDA cores
1344
512

Power consumption (TDP)
150 Watt
75 Watt

Texture fill rate
102.5 billion/sec
25.60

Memory type
GDDR5
GDDR5

Maximum RAM amount
2 GB
1 GB

Memory bus width
192-bit GDDR5
128 Bit

Memory clock speed
6.0 GB/s
1125 MHz

Memory bandwidth
144.2 GB/s
72 GB/s

Shared memory
-
-

Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort

Multi monitor support
4 displays
-

Eyefinity
-
1

HDMI
+
+

HDCP
+
-

Maximum VGA resolution
2048x1536
-

DisplayPort support
-
+

Audio input for HDMI
Internal
-

DirectX
12 (11_0)
DirectX® 11

CUDA
+
-

Mantle
-
-

OpenCL
1.2
1.2

OpenGL
4.3
4.6

Shader Model
5.1
5.1

Vulkan
1.1.126
-

3D Blu-Ray
+
-

3D Gaming
+
-

3D Vision
+
-

AppAcceleration
-
-

CrossFire
-
1

Enduro
-
-

FreeSync
-
1

HD3D
-
-

PowerTune
-
-

TrueAudio
-
-

ZeroCore
-
-