AMD Radeon R9 390 X2 vs AMD Radeon Graphics 448SP Mobile
GPU Specs Compare
Graphics Card
Release Date
Sep 2015
Jan 2022
Generation
Pirate Islands
Vega II IGP
Type
Desktop
Integrated
Bus Interface
PCIe 3.0 x16
IGP
Clock Speeds
Memory Clock
1350 MHz
System Shared
Base Clock
-
300 MHz
Boost Clock
-
1800 MHz
Memory
Memory Size
8GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
512bit
System Shared
Bandwidth
345.6GB/s
System Dependent
Render Config
Compute Units
40
7
Shading Units
2560
448
TMUs
160
28
ROPs
64
8
L1 Cache
16 KB (per CU)
-
L2 Cache
1024 KB
-
Theoretical Performance
Pixel Rate
64.00 GPixel/s
14.40 GPixel/s
Texture Rate
160.0 GTexel/s
50.40 GTexel/s
FP32 (float)
5.120 TFLOPS
1.613 TFLOPS
FP64 (double)
640.0 GFLOPS
100.8 GFLOPS
FP16 (half)
-
3.226 TFLOPS
Graphics Processor
GPU Name
Grenada
Barcelo
GPU Variant
Grenada PRO(215-0880030)
-
Architecture
GCN 2.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
6.2 billion
10.7 billion
Die Size
438 mm²
180 mm²
Board Design
TDP
580W
45W
Suggested PSU
950 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
4x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.7