Radeon RX 460 and Radeon RX 640 OEM - video card comparison
Radeon RX 460
Radeon RX 640 OEM
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris 11 / Baffin XT
Polaris 23
Market segment
Desktop
Desktop
Release date
August 2016
April 2020
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1200 MHz
-
Core clock speed
1090 MHz
1295 MHz
Floating-point performance
2,150 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,000 million
2,200 million
Pipelines / CUDA cores
896
640
Power consumption (TDP)
75 Watt
50 Watt
Texture fill rate
67.20
51.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
6 GB/s
Memory bandwidth
112.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.7 (6.4)
Vulkan
1.2.131
1.3
FreeSync
+
-