GeForce GTX 660M and Radeon HD 8570D - video card comparison
Passmark - benchmark score GeForce GTX 660M vs Radeon HD 8570D
GeForce GTX 660M
1478
Radeon HD 8570D
456
GeForce GTX 660M
Radeon HD 8570D
Architecture
Kepler (2012−2018)
Terascale 3 (2010−2013)
GPU code name
N13E-GE
Richland
Market segment
Laptop
Desktop
Release date
March 2012
September 2012
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
IGP
SLI options
+
-
Boost clock speed
950 MHz
868 MHz
Core clock speed
835 MHz
844 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
1,270 million
1,303 million
Pipelines / CUDA cores
384
256
Power consumption (TDP)
50 Watt
65 Watt
Texture fill rate
30.4 billion/sec
13.89
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128bit
System Shared
Memory clock speed
2000 MHz
System Shared
Memory bandwidth
64.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
Optimus
+
-