
Radeon HD 7870M and UHD Graphics G1 (Ice Lake 32 EU) - video card comparison
Radeon HD 7870M
UHD Graphics G1 (Ice Lake 32 EU)
Architecture
GCN (2011−2017)
Gen. 11 Ice Lake (2019−2022)
GPU code name
Heathrow XT
Ice Lake G1 Gen. 11
Market segment
Laptop
Laptop
Release date
April 2012
May 2019
Interface
PCIe 3.0 x16
-
Boost clock speed
-
1100 MHz
Core clock speed
800 MHz
300 MHz
Floating-point performance
1,024 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
640
32
Power consumption (TDP)
45 Watt
12-25 Watt
Texture fill rate
32.00
-
Memory type
GDDR5
DDR4
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
4000 MHz
-
Memory bandwidth
64 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 (11_1)
12_1
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
-
Quick Sync
-
+