Logo

Radeon HD 3850 AGP and HD Graphics 400 - video card comparison


Radeon HD 3850 AGP

HD Graphics 400


Architecture
TeraScale (2005−2013)
Generation 8.0 (2014−2015)

GPU code name
RV670
Braswell GT1

Market segment
Desktop
Desktop

Release date
January 2008
April 2015

Interface
AGP 8x
PCIe 3.0 x1

Supplementary power connectors
1x 8-pin
-

Boost clock speed
-
640 MHz

Core clock speed
668 MHz
320 MHz

Floating-point performance
427.5 gflops
134.4 gflops

Manufacturing process technology
55 nm
14 nm

Number of transistors
666 million
189 million

Pipelines / CUDA cores
320
96

Power consumption (TDP)
75 Watt
6 Watt

Texture fill rate
10.69
7.680

Memory type
GDDR3
DDR3L

Maximum RAM amount
512 MB
8 GB

Memory bus width
256 Bit
System Shared

Memory clock speed
1656 MHz
System Shared

Memory bandwidth
52.99 GB/s
-

Display Connectors
2x DVI, 1x S-Video
No outputs

DirectX
10.1 (10_1)
12 (11_1)

OpenCL
N/A
2.0

OpenGL
3.3
4.3

Shader Model
4.1
5.1

Vulkan
N/A
1.1.80