Radeon HD 3870 and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon HD 3870 vs UHD Graphics 770
Radeon HD 3870
572
UHD Graphics 770
2844
Radeon HD 3870
UHD Graphics 770
Architecture
TeraScale (2005−2013)
Alder Lake
GPU code name
RV670
Alder Lake xG
Market segment
Desktop
Desktop
Release date
November 2007
January 2022
Interface
PCIe 2.0 x16
Ring Bus
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
300 MHz
Core clock speed
777 MHz
-
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
10 nm
Number of transistors
666 million
-
Pipelines / CUDA cores
320
32
Power consumption (TDP)
106 Watt
15 Watt
Texture fill rate
12.43
26.40
Memory type
GDDR4
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
2252 MHz
1550 MHz
Memory bandwidth
72.06 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
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