Radeon RX Vega 64 and Radeon HD 7770 - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs Radeon HD 7770
Radeon RX Vega 64
14787
Radeon HD 7770
2235
Radeon RX Vega 64
Radeon HD 7770
Architecture
Vega (2017−2021)
GCN (2011−2017)
GPU code name
Vega
Cape Verde
Market segment
Desktop
Desktop
Release date
August 2017
February 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin
Boost clock speed
1546 MHz
-
Core clock speed
1630 MHz
1000 MHz
Floating-point performance
13,353 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
1,500 million
Pipelines / CUDA cores
4096
640
Power consumption (TDP)
295 Watt
80 Watt
Texture fill rate
395.8
40.00
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
2048 Bit
128 Bit
Memory clock speed
945 MHz
4500 MHz
Memory bandwidth
483.8 GB/s
72 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