Radeon HD 4870 and UHD Graphics 24EUs (Alder Lake-N) - video card comparison
Radeon HD 4870
UHD Graphics 24EUs (Alder Lake-N)
Architecture
TeraScale (2005−2013)
Gen. 12 (2021)
GPU code name
RV770
Alder Lake Xe
Market segment
Desktop
Laptop
Release date
June 2008
January 2023
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
750 MHz
Core clock speed
750 MHz
450 MHz
Floating-point performance
1,200.0 gflops
-
Manufacturing process technology
55 nm
10 nm
Number of transistors
956 million
-
Pipelines / CUDA cores
800
24
Power consumption (TDP)
150 Watt
-
Texture fill rate
30.00
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
256 Bit
-
Memory clock speed
3600 MHz
-
Memory bandwidth
115.2 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
-
DirectX
10.1 (10_1)
12_1
OpenCL
1.1
-
OpenGL
3.3
-
Shader Model
4.1
-
Vulkan
N/A
-
Quick Sync
-
+