AMD Radeon Graphics 448SP Mobile vs AMD Radeon RX 640 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
May 2019
Generation
Vega II IGP
Mobility Radeon
Type
Integrated
Mobile
Bus Interface
IGP
PCIe 3.0 x8
Clock Speeds
Base Clock
300 MHz
1082 MHz
Boost Clock
1800 MHz
1218 MHz
Memory Clock
System Shared
1500 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
64bit
Bandwidth
System Dependent
48.00GB/s
Render Config
Compute Units
7
10
Shading Units
448
640
TMUs
28
40
ROPs
8
16
L1 Cache
—
16 KB (per CU)
L2 Cache
—
512 KB
Theoretical Performance
Pixel Rate
14.40 GPixel/s
19.49 GPixel/s
Texture Rate
50.40 GTexel/s
48.72 GTexel/s
FP16 (half)
3.226 TFLOPS
1.559 TFLOPS
FP32 (float)
1.613 TFLOPS
1.559 TFLOPS
FP64 (double)
100.8 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
Barcelo
Polaris 23
Architecture
GCN 5.1
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
10.7 billion
2.2 billion
Die Size
180 mm²
103 mm²
GPU Variant
—
Polaris 23 XT
Board Design
TDP
45W
50W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.