Radeon HD 7950 and Radeon Pro 555 - video card comparison
Passmark - benchmark score Radeon HD 7950 vs Radeon Pro 555
Radeon HD 7950
4907
Radeon Pro 555
3234
Radeon HD 7950
Radeon Pro 555
Architecture
GCN 1.0 (2012−2020)
Polaris (2016−2019)
GPU code name
Tahiti
Polaris 21
Market segment
Desktop
Mobile workstation
Release date
January 2012
June 2017
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
1250 MHz
-
Compute units
28
-
Core clock speed
-
855 MHz
Floating-point performance
2,867 gflops
1,306 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
4,313 million
3,000 million
Pipelines / CUDA cores
1792
768
Power consumption (TDP)
200 Watt
-
Texture fill rate
89.60
40.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
5080 MHz
Memory bandwidth
240 GB/s
81.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
-
1.2.131
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
+
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-