Radeon HD 3870 X2 and Iris Xe Graphics G7 80EU - video card comparison
Radeon HD 3870 X2
Iris Xe Graphics G7 80EU
Architecture
TeraScale (2005−2013)
Generation 12.1 (2020−2021)
GPU code name
R680
Tiger Lake GT2
Market segment
Desktop
Desktop
Release date
January 2008
September 2020
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Boost clock speed
-
1100 MHz
Core clock speed
825 MHz
-
Floating-point performance
2x 528.0 gflops
-
Manufacturing process technology
55 nm
10 nm
Number of transistors
666 million
-
Pipelines / CUDA cores
320
640
Power consumption (TDP)
165 Watt
15 Watt
Texture fill rate
13.20
44.00
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
1802 MHz
System Shared
Memory bandwidth
57.66 GB/s
-
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
1.2