Radeon RX 580 and Radeon HD 7950 - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon HD 7950
Radeon RX 580
9140
Radeon HD 7950
4907
Radeon RX 580
Radeon HD 7950
Architecture
Polaris (2016−2019)
GCN 1.0 (2012−2020)
GPU code name
Polaris 20
Tahiti
Market segment
Desktop
Desktop
Release date
April 2017
January 2012
Bus support
-
PCIe 3.0 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
2x 6-pin
Boost clock speed
1340 MHz
1250 MHz
Compute units
-
28
Core clock speed
1257 MHz
-
Floating-point performance
6,175 gflops
2,867 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
4,313 million
Pipelines / CUDA cores
2304
1792
Power consumption (TDP)
185 Watt
200 Watt
Texture fill rate
193.0
89.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
8000 MHz
1250 MHz
Memory bandwidth
256.0 GB/s
240 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
Number of Eyefinity displays
-
6
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
-
AppAcceleration
-
+
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
+
TrueAudio
-
-
ZeroCore
-
+