Radeon HD 6870 and Iris Xe Graphics G4 - video card comparison
Radeon HD 6870
Iris Xe Graphics G4
Architecture
Terascale 2 (2009−2015)
Generation 12.0 (2020)
GPU code name
RV940 Barts
Tiger Lake GT1
Market segment
Desktop
Laptop
Release date
October 2010
September 2020
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
2x 6-pin
-
Boost clock speed
900 MHz
1100 MHz
Floating-point performance
2,016.0 gflops
-
Manufacturing process technology
40 nm
10 nm
Number of transistors
1,700 million
-
Pipelines / CUDA cores
1120
384
Power consumption (TDP)
151 Watt
15 Watt
Texture fill rate
50.40
52.80
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
1050 MHz
System Shared
Memory bandwidth
134.4 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (12_1)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
-
1.1
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
Quick Sync
-
+
TrueAudio
-
-
ZeroCore
-
-