Radeon HD 8470D and Radeon HD 7970 GHz Edition - video card comparison
Radeon HD 8470D
Radeon HD 7970 GHz Edition
Architecture
Terascale 3 (2010−2013)
GCN 1.0 (2012−2020)
GPU code name
Richland
Tahiti
Market segment
Desktop
Desktop
Release date
June 2013
June 2012
Bus support
-
PCIe 2.1 x16
Interface
IGP
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
850 MHz
1050 MHz
Core clock speed
800 MHz
-
Floating-point performance
-
4,301 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
4,313 million
Pipelines / CUDA cores
128
2048
Power consumption (TDP)
65 Watt
250 Watt
Texture fill rate
10.20
134.4
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
3 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
1500 MHz
Memory bandwidth
-
288 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
11.2 (11_0)
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-