Radeon RX 570 and Radeon HD 6990 - video card comparison
Passmark - benchmark score Radeon RX 570 vs Radeon HD 6990
Radeon RX 570
7176
Radeon HD 6990
3103
Radeon RX 570
Radeon HD 6990
Architecture
Polaris (2016−2019)
TeraScale 3 (2010−2013)
GPU code name
Polaris 20 Ellesmere
Antilles
Market segment
Desktop
Desktop
Release date
April 2017
March 2011
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 8-pin
Boost clock speed
1244 MHz
-
Core clock speed
1168 MHz
830 MHz
Floating-point performance
5,095 gflops
2x 2,549.8 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
2,640 million
Pipelines / CUDA cores
2048
1536
Power consumption (TDP)
120 Watt
375 Watt
Texture fill rate
159.2
79.68
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
7000 MHz
5000 MHz
Memory bandwidth
224.0 GB/s
160.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
1x DVI, 4x mini-DisplayPort
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
+
N/A
FreeSync
+
-