Radeon RX 470 and Radeon HD 6990M Rebrand - video card comparison
Radeon RX 470
Radeon HD 6990M Rebrand
Architecture
Polaris (2016−2019)
TeraScale 2 (2009−2015)
GPU code name
Polaris 10 Pro
Broadway
Market segment
Desktop
Desktop
Release date
August 2016
July 2011
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1206 MHz
-
Core clock speed
926 MHz
800 MHz
Floating-point performance
4,940 gflops
1,280.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
1,040 million
Pipelines / CUDA cores
2048
800
Power consumption (TDP)
120 Watt
100 Watt
Texture fill rate
154.4
32.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
6600 MHz
4400 MHz
Memory bandwidth
211.2 GB/s
70.4 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
N/A
FreeSync
+
-