Radeon HD 7950 and Radeon HD 7400G - video card comparison
Passmark - benchmark score Radeon HD 7950 vs Radeon HD 7400G
Radeon HD 7950
4907
Radeon HD 7400G
275
Radeon HD 7950
Radeon HD 7400G
Architecture
GCN 1.0 (2012−2020)
Terascale 3 (2010−2013)
GPU code name
Tahiti
Trinity
Market segment
Desktop
Laptop
Release date
January 2012
September 2012
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
Boost clock speed
1250 MHz
423 MHz
Compute units
28
-
Core clock speed
-
327 MHz
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
4,313 million
1,303 million
Pipelines / CUDA cores
1792
192
Power consumption (TDP)
200 Watt
17 Watt
Texture fill rate
89.60
5.088
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
-
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
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
-
N/A
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-