Radeon HD 3870 and Iris Plus Graphics - video card comparison
Passmark - benchmark score Radeon HD 3870 vs Iris Plus Graphics
Radeon HD 3870
572
Iris Plus Graphics
1872
Radeon HD 3870
Iris Plus Graphics
Architecture
TeraScale (2005−2013)
Generation 11.0 (2019−2020)
GPU code name
RV670
Ice Lake GT2
Market segment
Desktop
Desktop
Release date
November 2007
-
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1000 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
512
Power consumption (TDP)
106 Watt
15 Watt
Texture fill rate
12.43
32.00
Memory type
GDDR4
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
2252 MHz
System Shared
Memory bandwidth
72.06 GB/s
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
N/A
-
OpenGL
3.3
4.6
Shader Model
4.1
-
Vulkan
N/A
-