Radeon HD 7870 and Iris Xe Graphics G4 - video card comparison
Radeon HD 7870
Iris Xe Graphics G4
Architecture
GCN (2011−2017)
Generation 12.0 (2020)
GPU code name
Pitcairn XT
Tiger Lake GT1
Market segment
Desktop
Laptop
Release date
March 2012
September 2020
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
1100 MHz
Core clock speed
1000 MHz
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
2800 Million
-
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
175 Watt
15 Watt
Texture fill rate
80.00
52.80
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
+
-
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
Quick Sync
-
+