Radeon HD 8970 OEM and Iris Plus Graphics 645 - video card comparison
Radeon HD 8970 OEM
Iris Plus Graphics 645
Architecture
GCN 1.0 (2012−2020)
Gen. 9.5 Coffee Lake (2019)
GPU code name
Tahiti
Kaby Lake GT3e
Market segment
Desktop
Laptop
Release date
January 2013
July 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Boost clock speed
-
1150 MHz
Core clock speed
925 MHz
300 MHz
Floating-point performance
3,789 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
4,313 million
-
Pipelines / CUDA cores
2048
48
Power consumption (TDP)
250 Watt
15 Watt
Texture fill rate
118.4
50.40
Memory type
GDDR5
DDR3, DDR4
Maximum RAM amount
3 GB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
5500 MHz
System Shared
Memory bandwidth
264.0 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_1)
12 (12_1)
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.1.103
Quick Sync
-
+