AMD Radeon RX 640 640SP Mobile Graphics
Product status: Official | Last Update: 2019-08-07 | Report Error
Graphics Processor
Polaris 23 XT
Cores : TMUs : ROPs
640 : 40 : 16
Memory Size
4 GB GD5
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
Base Clock
1287 MHz
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
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
FP32 Performance
1.6 TFLOPS
FP32 Perf. per mm2
16.3 GFLOPS/mm2
| Model | Cores | Boost Clock | Memory Clock | Memory Config. | |
|---|---|---|---|---|---|
| AMD Radeon RX 640 640SP (Mobile) | |||||
| AMD Radeon RX 640 512SP (Mobile) | |||||
| AMD Radeon 630 (Mobile) | |||||
| AMD Radeon 620 384SP (Mobile) | |||||
| AMD Radeon 625 (Mobile) | |||||
| AMD Radeon 610 (Mobile) | |||||
| AMD Radeon 620 320SP (Mobile) |
