Radeon R9 295X2 and Radeon RX 580 - video card comparison
Passmark - benchmark score Radeon R9 295X2 vs Radeon RX 580
Radeon R9 295X2
8876
Radeon RX 580
9140
Radeon R9 295X2
Radeon RX 580
Architecture
GCN 2.0 (2013−2017)
Polaris (2016−2019)
GPU code name
Vesuvius
Polaris 20
Market segment
Desktop
Desktop
Release date
April 2014
April 2017
Bus support
PCIe 2.1 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 8-pin
1x 8-pin
Boost clock speed
1018 MHz
1340 MHz
Core clock speed
-
1257 MHz
Floating-point performance
2x 5,733 gflops
6,175 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
6,200 million
5,700 million
Pipelines / CUDA cores
2816
2304
Power consumption (TDP)
500 Watt
185 Watt
Texture fill rate
179.2
193.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
8 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
8000 MHz
Memory bandwidth
640 GB/s
256.0 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
12 (12_0)
Mantle
-
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.4
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
-
-
UVD
+
-
ZeroCore
-
-