AMD Radeon Graphics 448SP vs AMD Radeon R9 270 1024SP
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Mar 2015
Generation
Lucienne
Volcanic Islands
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
900 MHz
Boost Clock
1800 MHz
925 MHz
Memory Clock
System Shared
1200 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
153.6GB/s
Render Config
Compute Units
7
16
Shading Units
448
1024
TMUs
32
64
ROPs
8
32
L1 Cache
-
16 KB (per CU)
L2 Cache
-
512 KB
Theoretical Performance
Pixel Rate
14.40 GPixel/s
29.60 GPixel/s
Texture Rate
57.60 GTexel/s
59.20 GTexel/s
FP16 (half)
3.226 TFLOPS
-
FP32 (float)
1.613 TFLOPS
1.894 TFLOPS
FP64 (double)
100.8 GFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
Lucienne
Pitcairn
Architecture
GCN 5.1
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
9.8 billion
2.8 billion
Die Size
156 mm²
212 mm²
GPU Variant
-
Pitcairn PRO(215-0828062)
Board Design
TDP
25W
150W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2
1.2
Shader Model
6.4
5.1