Radeon HD 6770M and Radeon 540X - video card comparison
Passmark - benchmark score Radeon HD 6770M vs Radeon 540X
Radeon HD 6770M
993
Radeon 540X
1472
Radeon HD 6770M
Radeon 540X
Architecture
Terascale 2 (2009−2015)
GCN 4.0 (2016−2020)
GPU code name
Whistler-XT
Lexa
Market segment
Laptop
Laptop
Release date
January 2011
August 2019
Interface
MXM-A (3.0)
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1219 MHz
Core clock speed
675 / 725 MHz
-
Floating-point performance
696.0 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
716 million
2,200 million
Pipelines / CUDA cores
480
512
Power consumption (TDP)
35 Watt
50 Watt
Texture fill rate
17.40
33.47
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
6000 MHz
Memory bandwidth
57.6 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
N/A
1.2.131