AMD Radeon Graphics 448SP vs AMD Radeon RX 580
GPU · Specs Compare
Graphics Card
Release Date
Jan 2021
Apr 2017
Generation
Lucienne
Polaris
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
1257 MHz
Boost Clock
1800 MHz
1340 MHz
Memory Clock
System Shared
2000 MHz
Memory
Memory Size
System Shared
8GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
256.0GB/s
Render Config
Compute Units
7
36
Shading Units
448
2304
TMUs
32
144
ROPs
8
32
L1 Cache
—
16 KB (per CU)
L2 Cache
—
2 MB
Theoretical Performance
Pixel Rate
14.40 GPixel/s
42.88 GPixel/s
Texture Rate
57.60 GTexel/s
193.0 GTexel/s
FP16 (half)
3.226 TFLOPS
6.175 TFLOPS
FP32 (float)
1.613 TFLOPS
6.175 TFLOPS
FP64 (double)
100.8 GFLOPS
385.9 GFLOPS
Graphics Processor
GPU Name
Lucienne
Polaris 20
Architecture
GCN 5.1
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
7 nm
14 nm
Transistors
9.8 billion
5.7 billion
Die Size
156 mm²
232 mm²
GPU Variant
—
Polaris 20 XTX(215-0910038)
Board Design
TDP
25W
185W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.3
Shader Model
6.4
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.