Radeon HD 7870 and UHD Graphics 770 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs UHD Graphics 770
Radeon HD 7870
4779
UHD Graphics 770
2844
Radeon HD 7870
UHD Graphics 770
Architecture
GCN (2011−2017)
Alder Lake
GPU code name
Pitcairn XT
Alder Lake xG
Market segment
Desktop
Desktop
Release date
March 2012
January 2022
Interface
PCIe 3.0 x16
Ring Bus
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
300 MHz
Core clock speed
1000 MHz
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
2800 Million
-
Pipelines / CUDA cores
1280
32
Power consumption (TDP)
175 Watt
15 Watt
Texture fill rate
80.00
26.40
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
1550 MHz
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
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.3