Radeon HD 7950 and Radeon Sky 500 - video card comparison
Passmark - benchmark score Radeon HD 7950 vs Radeon Sky 500
Radeon HD 7950
4907
Radeon Sky 500
4906
Radeon HD 7950
Radeon Sky 500
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Tahiti
Pitcairn
Market segment
Desktop
Desktop
Release date
January 2012
March 2013
Bus support
PCIe 3.0 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Boost clock speed
1250 MHz
-
Compute units
28
-
Core clock speed
-
950 MHz
Floating-point performance
2,867 gflops
2,432 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,800 million
Pipelines / CUDA cores
1792
1280
Power consumption (TDP)
200 Watt
150 Watt
Texture fill rate
89.60
76.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1250 MHz
4800 MHz
Memory bandwidth
240 GB/s
154 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DisplayPort
Eyefinity
1
-
Number of Eyefinity displays
6
-
DisplayPort count
-
1
Dual-link DVI support
-
1
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
-
1.2.131
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-