Radeon RX 580 and Radeon HD 6950 - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon HD 6950
Radeon RX 580
9140
Radeon HD 6950
2693
Radeon RX 580
Radeon HD 6950
Architecture
Polaris (2016−2019)
TeraScale 3 (2010−2013)
GPU code name
Polaris 20
Cayman
Market segment
Desktop
Desktop
Release date
April 2017
December 2010
Bus support
-
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
2x 6-pin
Boost clock speed
1340 MHz
800 MHz
Core clock speed
1257 MHz
-
Floating-point performance
6,175 gflops
2,252.8 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
2,640 million
Pipelines / CUDA cores
2304
1408
Power consumption (TDP)
185 Watt
500 Watt
Texture fill rate
193.0
70.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
1250 MHz
Memory bandwidth
256.0 GB/s
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-