Radeon HD 6950 and Radeon RX 490M - video card comparison
Radeon HD 6950
Radeon RX 490M
Architecture
TeraScale 3 (2010−2013)
Polaris (2016−2019)
GPU code name
Cayman
Polaris
Market segment
Desktop
Laptop
Release date
December 2010
August 2016
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
2x 6-pin
-
Boost clock speed
800 MHz
-
Floating-point performance
2,252.8 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
2,640 million
-
Pipelines / CUDA cores
1408
-
Power consumption (TDP)
500 Watt
-
Texture fill rate
70.40
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
-
Memory bus width
256 Bit
-
Memory clock speed
1250 MHz
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-