AMD Radeon Graphics 448SP vs AMD Radeon R9 285
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Sep 2014
Generation
Lucienne
Volcanic Islands
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 3.0 x16
Clock Speeds
Base Clock
300 MHz
-
Boost Clock
1800 MHz
-
Memory Clock
System Shared
1375 MHz
Memory
Memory Size
System Shared
2GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
176.0GB/s
Render Config
Compute Units
7
28
Shading Units
448
1792
TMUs
32
112
ROPs
8
32
L1 Cache
-
16 KB (per CU)
L2 Cache
-
512 KB
Theoretical Performance
Pixel Rate
14.40 GPixel/s
29.38 GPixel/s
Texture Rate
57.60 GTexel/s
102.8 GTexel/s
FP16 (half)
3.226 TFLOPS
3.290 TFLOPS
FP32 (float)
1.613 TFLOPS
3.290 TFLOPS
FP64 (double)
100.8 GFLOPS
205.6 GFLOPS
Graphics Processor
GPU Name
Lucienne
Tonga
Architecture
GCN 5.1
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
9.8 billion
5 billion
Die Size
156 mm²
366 mm²
GPU Variant
-
Tonga PRO(215-0851128)
Board Design
TDP
25W
190W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
2x 6-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
1.2.170
Shader Model
6.4
6.5