Radeon HD 7970 and Radeon RX 5800 XT - video card comparison
Radeon HD 7970
Radeon RX 5800 XT
Architecture
GCN (2011−2017)
RDNA 2.0 (2020−2022)
GPU code name
Tahiti XT
Navi 23
Market segment
Desktop
Desktop
Release date
December 2011
-
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Boost clock speed
925 MHz
1775 MHz
Floating-point performance
3,789 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
4,313 million
-
Pipelines / CUDA cores
2048
3328
Power consumption (TDP)
300 Watt
275 Watt
Texture fill rate
118.4
369.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
8 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1375 MHz
14000 MHz
Memory bandwidth
264 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
+
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
12 Ultimate (12_1)
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.6
4.6
Shader Model
5.1
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-