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Radeon HD 3830 and UHD Graphics 770 - video card comparison


Radeon HD 3830

UHD Graphics 770


Architecture
TeraScale (2005−2013)
Alder Lake

GPU code name
RV670
Alder Lake xG

Market segment
Desktop
Desktop

Release date
April 2008
January 2022

Interface
PCIe 2.0 x16
Ring Bus

Supplementary power connectors
1x 6-pin
-

Boost clock speed
-
300 MHz

Core clock speed
668 MHz
-

Floating-point performance
427.5 gflops
-

Manufacturing process technology
55 nm
10 nm

Number of transistors
666 million
-

Pipelines / CUDA cores
320
32

Power consumption (TDP)
75 Watt
15 Watt

Texture fill rate
10.69
26.40

Memory type
GDDR3
System Shared

Maximum RAM amount
256 MB
System Shared

Memory bus width
128 Bit
System Shared

Memory clock speed
1656 MHz
1550 MHz

Memory bandwidth
26.5 GB/s
-

Shared memory
-
-

Display Connectors
No outputs
No outputs

DirectX
10.1 (10_1)
12 (12_1)

OpenCL
N/A
3.0

OpenGL
3.3
4.6

Shader Model
4.1
6.4

Vulkan
N/A
1.3