Radeon HD 8870M and GeForce GT 650M - video card comparison
Passmark - benchmark score Radeon HD 8870M vs GeForce GT 650M
Radeon HD 8870M
1687
GeForce GT 650M
1241
Radeon HD 8870M
GeForce GT 650M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Venus
N13E-GE
Market segment
Laptop
Laptop
Release date
December 2012
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
775 MHz
900 MHz
Core clock speed
725 MHz
Up to 900 MHz
CUDA cores
-
384
Floating-point performance
992.0 gflops
652.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,270 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
-
45 Watt
Texture fill rate
31.00
Up to 27.2 billion/sec
Memory type
GDDR5, DDR3
DDR3\GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
4500 MHz
1800 - 4000 MHz
Memory bandwidth
72 GB/s
Up to 80.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_1)
12 API
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
Optimus
-
+