Radeon HD 8670M and GeForce 8400M GT - video card comparison
Passmark - benchmark score Radeon HD 8670M vs GeForce 8400M GT
Radeon HD 8670M
536
GeForce 8400M GT
68
Radeon HD 8670M
GeForce 8400M GT
Architecture
GCN (2011−2017)
Tesla (2006−2010)
GPU code name
Sun
G86M
Market segment
Laptop
Laptop
Release date
November 2012
May 2007
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Boost clock speed
825 MHz
-
Core clock speed
775 MHz
450 MHz
Floating-point performance
633.6 gflops
28.8 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
690 million
210 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
-
14 Watt
Texture fill rate
19.50
3.600
Memory type
DDR3
GDDR3 / GDDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
600 MHz
Memory bandwidth
16 GB/s
19.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.2.131
N/A