AMD Radeon RX 455 OEM vs AMD Radeon Graphics 448SP
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Jan 2021
Generation
Arctic Islands
Lucienne
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Memory Clock
1625 MHz
System Shared
Base Clock
-
300 MHz
Boost Clock
-
1800 MHz
Memory
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
128bit
System Shared
Bandwidth
104.0GB/s
System Dependent
Render Config
Compute Units
12
7
Shading Units
768
448
TMUs
48
32
ROPs
16
8
L1 Cache
16 KB (per CU)
-
L2 Cache
256 KB
-
Theoretical Performance
Pixel Rate
16.80 GPixel/s
14.40 GPixel/s
Texture Rate
50.40 GTexel/s
57.60 GTexel/s
FP32 (float)
1.613 TFLOPS
1.613 TFLOPS
FP64 (double)
100.8 GFLOPS
100.8 GFLOPS
FP16 (half)
-
3.226 TFLOPS
Graphics Processor
GPU Name
Tobago
Lucienne
GPU Variant
Tobago PRO(215-0875010)
-
Architecture
GCN 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.08 billion
9.8 billion
Die Size
160 mm²
156 mm²
Board Design
TDP
100W
25W
Suggested PSU
300 W
-
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4