Radeon HD 6870 and Radeon RX 540 - video card comparison
Passmark - benchmark score Radeon HD 6870 vs Radeon RX 540
Radeon HD 6870
2285
Radeon RX 540
2872
Radeon HD 6870
Radeon RX 540
Architecture
Terascale 2 (2009−2015)
Polaris (2016−2019)
GPU code name
RV940 Barts
Polaris 12
Market segment
Desktop
Laptop
Release date
October 2010
March 2017
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Boost clock speed
900 MHz
1219 MHz
Floating-point performance
2,016.0 gflops
1,248 gflops
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,700 million
1,500 million
Pipelines / CUDA cores
1120
512
Power consumption (TDP)
151 Watt
75 Watt
Texture fill rate
50.40
39.01
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
6000 MHz
Memory bandwidth
134.4 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.0
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
-
+
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-