Radeon HD 3850 and Iris Plus Graphics 640 - video card comparison
Passmark - benchmark score Radeon HD 3850 vs Iris Plus Graphics 640
Radeon HD 3850
404
Iris Plus Graphics 640
1534
Radeon HD 3850
Iris Plus Graphics 640
Architecture
TeraScale (2005−2013)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
RV670
Kaby Lake GT3e
Market segment
Desktop
Laptop
Release date
November 2007
January 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
1050 MHz
Core clock speed
668 MHz
300 MHz
Floating-point performance
427.5 gflops
-
Manufacturing process technology
55 nm
14 nm
Number of transistors
666 million
189 million
Pipelines / CUDA cores
320
48
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
10.69
52.80
Memory type
GDDR3
DDR3L/LPDDR3/DDR4
Maximum RAM amount
1 GB
32 GB
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
1660 MHz
System Shared
Memory bandwidth
53.12 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (12_1)
OpenCL
N/A
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.1.103
Quick Sync
-
+