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Radeon HD 7950 and HD Graphics P4000 - video card comparison

Passmark - benchmark score Radeon HD 7950 vs HD Graphics P4000

Radeon HD 7950
4907
HD Graphics P4000
531

Radeon HD 7950

HD Graphics P4000

Architecture
GCN 1.0 (2012−2020)
Generation 7.0 (2012)
GPU code name
Tahiti
Ivy Bridge GT2
Market segment
Desktop
Desktop
Release date
January 2012
May 2012
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
1250 MHz
1250 MHz
Compute units
28
-
Core clock speed
-
650 MHz
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
22 nm
Number of transistors
4,313 million
1,200 million
Pipelines / CUDA cores
1792
128
Power consumption (TDP)
200 Watt
45 Watt
Texture fill rate
89.60
20.00
Memory type
GDDR5
System Shared
Maximum RAM amount
3 GB
System Shared
Memory bus width
384 Bit
System Shared
Memory clock speed
1250 MHz
System Shared
Memory bandwidth
240 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.1 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.0
Shader Model
5.1
5.0
Vulkan
-
1.1.80
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-