Radeon RX Vega 56 and Radeon HD 7870 - video card comparison
Passmark - benchmark score Radeon RX Vega 56 vs Radeon HD 7870
Radeon RX Vega 56
13659
Radeon HD 7870
4779
Radeon RX Vega 56
Radeon HD 7870
Architecture
Vega (2017−2021)
GCN (2011−2017)
GPU code name
Vega
Pitcairn XT
Market segment
Desktop
Desktop
Release date
August 2017
March 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
2x 6-pin
Boost clock speed
1474 MHz
-
Core clock speed
1138 MHz
1000 MHz
Floating-point performance
10,566 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
2800 Million
Pipelines / CUDA cores
3584
1280
Power consumption (TDP)
210 Watt
175 Watt
Texture fill rate
329.5
80.00
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
409.6 Bit
256 Bit
Memory clock speed
800 MHz
4800 MHz
Memory bandwidth
409.6 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
+
+
DirectX
12 (12_1)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.125
1.2.131