Radeon HD 7950 and Radeon 540X - video card comparison
Passmark - benchmark score Radeon HD 7950 vs Radeon 540X
Radeon HD 7950
4907
Radeon 540X
1472
Radeon HD 7950
Radeon 540X
Architecture
GCN 1.0 (2012−2020)
GCN 4.0 (2016−2020)
GPU code name
Tahiti
Lexa
Market segment
Desktop
Laptop
Release date
January 2012
August 2019
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
1219 MHz
Compute units
28
-
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
4,313 million
2,200 million
Pipelines / CUDA cores
1792
512
Power consumption (TDP)
200 Watt
50 Watt
Texture fill rate
89.60
33.47
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
1250 MHz
6000 MHz
Memory bandwidth
240 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
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
+
-