AMD Radeon R9 285 vs AMD Radeon Graphics 448SP
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Jan 2021
Generation
Volcanic Islands
Lucienne
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Memory Clock
1375 MHz
System Shared
Base Clock
-
300 MHz
Boost Clock
-
1800 MHz
Memory
Memory Size
2GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
256bit
System Shared
Bandwidth
176.0GB/s
System Dependent
Render Config
Compute Units
28
7
Shading Units
1792
448
TMUs
112
32
ROPs
32
8
L1 Cache
16 KB (per CU)
-
L2 Cache
512 KB
-
Theoretical Performance
Pixel Rate
29.38 GPixel/s
14.40 GPixel/s
Texture Rate
102.8 GTexel/s
57.60 GTexel/s
FP16 (half)
3.290 TFLOPS
3.226 TFLOPS
FP32 (float)
3.290 TFLOPS
1.613 TFLOPS
FP64 (double)
205.6 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Tonga
Lucienne
GPU Variant
Tonga PRO(215-0851128)
-
Architecture
GCN 3.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
9.8 billion
Die Size
366 mm²
156 mm²
Board Design
TDP
190W
25W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2
Shader Model
6.5
6.4