AMD Radeon RX 640 640SP (Mobile) Graphics Processor
Product status: Released | Report Error
Graphics Processor
Polaris 23 XT
Cores : TMUs : ROPs
640 : 40 : 16
Memory Size
4 GB
Memory Bus
64 bit
AMD Radeon RX 640 640SP (Mobile)
Overview
Manufacturer
AMD
Original Series
Radeon 600 Mobile
Release Date
August 6th, 2019
Launch Price
OEM
Graphics Processing Unit
GPU Model
Polaris 23 XT (Polaris 12/LEXA/23)
Architecture
GCN 4.0 (Polaris)
Fabrication Process
14 nm FinFET
Die Size
101 mm2
Transistors Count
2.2B
Stream Processors
640
TMUs
40
ROPs
16
Clocks
Boost Clock
1287 MHz
Memory Clock
1750 MHz
Effective Memory Clock
7000 Mbps
Memory Configuration
Memory Size
4096 MB
Memory Type
GDDR5
Memory Bus Width
64-bit
Memory Bandwidth
56.0 GB/s
Physical
Interface
PCI-Express 3.0 x16
Power Connectors
-
API Support
DirectX
12.0
Vulkan
1.0
OpenGL
4.5
OpenCL
2.1
Performance
Pixel Fillrate
20.6 GPixels/s
Texture Fillrate
51.5 GTexel/s
SPFP Performance
1.6 TFLOPS
Performance per mm2
16.3 GFLOPS/mm2
| Model | Clocks | Memory | |
|---|---|---|---|
|
AMD Radeon RX 640 640SP (Mobile) 640 Unified Cores |
1287 / 1750 MHz | 4 GB GDDR5 |
|
|
AMD Radeon RX 640 512SP (Mobile) 512 Unified Cores |
1287 / 1750 MHz | 4 GB GDDR5 |
|
AMD Radeon 630 (Mobile) 512 Unified Cores |
1219 / 1500 MHz | 4 GB GDDR5 |
|
AMD Radeon 620 384SP (Mobile) 384 Unified Cores |
1024 / 1125 MHz | 4 GB GDDR5 |
|
|
AMD Radeon 625 (Mobile) 384 Unified Cores |
1024 / 1125 MHz | 4 GB GDDR5 |
|
|
AMD Radeon 610 (Mobile) 320 Unified Cores |
1030 / 1125 MHz | 4 GB GDDR5 |
|
|
AMD Radeon 620 320SP (Mobile) 320 Unified Cores |
1024 / 1125 MHz | 4 GB GDDR5 |
