Radeon RX 640 - video card specification
Passmark - benchmark score Radeon RX 640
Radeon RX 640
2020
Radeon RX 640
Architecture
Polaris (2016−2019)
GPU code name
Polaris 12
Market segment
Laptop
Release date
August 2019
Bus support
-
Interface
PCIe 3.0 x8
Supplementary power connectors
None
Bridgeless CrossFire
-
Boost clock speed
1218 MHz
Compute units
-
Core clock speed
1218 MHz
Floating-point performance
-
Manufacturing process technology
14 nm
Number of transistors
2,200 million
Pipelines / CUDA cores
640
Power consumption (TDP)
50 Watt
Texture fill rate
38.98
Memory type
GDDR5
Maximum RAM amount
4 GB
Memory bus width
64 Bit
Memory clock speed
6000 MHz
Memory bandwidth
112.0 GB/s
High bandwidth memory (HBM)
-
Shared memory
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
Number of Eyefinity displays
-
HDMI
+
DisplayPort support
-
DirectX
12 (12_0)
Mantle
-
OpenCL
2.0
OpenGL
4.6
Shader Model
6.4
Vulkan
1.2.131
AppAcceleration
-
CrossFire
-
DDMA audio
-
Enduro
-
FreeSync
+
FRTC
-
HD3D
-
LiquidVR
-
PowerTune
-
TressFX
-
TrueAudio
-
UVD
-
VCE
-
ZeroCore
-