Radeon RX Vega 64 and Radeon HD 7990 - video card comparison
Passmark - benchmark score Radeon RX Vega 64 vs Radeon HD 7990
Radeon RX Vega 64
14789
Radeon HD 7990
5732
Radeon RX Vega 64
Radeon HD 7990
Architecture
Vega (2017−2021)
GCN 1.0 (2012−2020)
GPU code name
Vega
Malta
Market segment
Desktop
Desktop
Release date
August 2017
April 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
1546 MHz
1000 MHz
Core clock speed
1630 MHz
950 MHz
Floating-point performance
13,353 gflops
2x 4,096 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
4,313 million
Pipelines / CUDA cores
4096
2048
Power consumption (TDP)
295 Watt
375 Watt
Texture fill rate
395.8
128.0
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
2048 Bit
384 Bit
Memory clock speed
945 MHz
6000 MHz
Memory bandwidth
483.8 GB/s
288.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 4x mini-DisplayPort
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