Radeon HD 3870 and Radeon 540X - video card comparison
Passmark - benchmark score Radeon HD 3870 vs Radeon 540X
Radeon HD 3870
572
Radeon 540X
1472
Radeon HD 3870
Radeon 540X
Architecture
TeraScale (2005−2013)
GCN 4.0 (2016−2020)
GPU code name
RV670
Lexa
Market segment
Desktop
Laptop
Release date
November 2007
August 2019
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1219 MHz
Core clock speed
777 MHz
-
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
14 nm
Number of transistors
666 million
2,200 million
Pipelines / CUDA cores
320
512
Power consumption (TDP)
106 Watt
50 Watt
Texture fill rate
12.43
33.47
Memory type
GDDR4
GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
2252 MHz
6000 MHz
Memory bandwidth
72.06 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
10.1 (10_1)
12 (12_0)
OpenCL
N/A
2.0
OpenGL
3.3
4.6
Shader Model
4.1
6.4
Vulkan
N/A
1.2.131