Radeon RX 470 and Radeon HD 6870 - video card comparison
Passmark - benchmark score Radeon RX 470 vs Radeon HD 6870
Radeon RX 470
8339
Radeon HD 6870
2285
Radeon RX 470
Radeon HD 6870
Architecture
Polaris (2016−2019)
Terascale 2 (2009−2015)
GPU code name
Polaris 10 Pro
RV940 Barts
Market segment
Desktop
Desktop
Release date
August 2016
October 2010
Bus support
-
PCIe 2.0 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
Boost clock speed
1206 MHz
900 MHz
Core clock speed
926 MHz
-
Floating-point performance
4,940 gflops
2,016.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
1,700 million
Pipelines / CUDA cores
2048
1120
Power consumption (TDP)
120 Watt
151 Watt
Texture fill rate
154.4
50.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
6600 MHz
1050 MHz
Memory bandwidth
211.2 GB/s
134.4 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 11
Mantle
-
-
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
+
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-