Radeon RX 470 Mobile and Radeon HD 7970 - video card comparison
Radeon RX 470 Mobile
Radeon HD 7970
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 10 Pro
Tahiti XT
Market segment
Laptop
Desktop
Release date
August 2016
December 2011
Bus support
-
PCIe 2.1 x16
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
1206 MHz
925 MHz
Core clock speed
926 MHz
-
Floating-point performance
4,399 gflops
3,789 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
4,313 million
Pipelines / CUDA cores
2048
2048
Power consumption (TDP)
120 Watt
300 Watt
Texture fill rate
137.5
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
6 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7000 MHz
1375 MHz
Memory bandwidth
224.0 GB/s
264 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
-
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
+
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-