Radeon HD 3850 and Radeon HD 8670M - video card comparison
Passmark - benchmark score Radeon HD 3850 vs Radeon HD 8670M
Radeon HD 3850
404
Radeon HD 8670M
536
Radeon HD 3850
Radeon HD 8670M
Architecture
TeraScale (2005−2013)
GCN (2011−2017)
GPU code name
RV670
Sun
Market segment
Desktop
Laptop
Release date
November 2007
November 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
825 MHz
Core clock speed
668 MHz
775 MHz
Floating-point performance
427.5 gflops
633.6 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
666 million
690 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
75 Watt
-
Texture fill rate
10.69
19.50
Memory type
GDDR3
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1660 MHz
2000 MHz
Memory bandwidth
53.12 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (11_1)
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.2.131