AMD Radeon R9 390X vs AMD Steam Deck GPU
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
Feb 2022
Generation
Pirate Islands
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 3.0 x16
-
Clock Speeds
Memory Clock
1500 MHz
1375 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1600 MHz
Memory
Memory Size
8GB
16GB
Memory Type
GDDR5
LPDDR5
Memory Bus
512bit
128bit
Bandwidth
384.0GB/s
88.00GB/s
Render Config
Compute Units
44
8
Shading Units
2816
512
TMUs
176
32
ROPs
64
16
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
1024 KB
1024 KB
RT Cores
-
8
L3 Cache
-
8 MB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
25.60 GPixel/s
Texture Rate
184.8 GTexel/s
51.20 GTexel/s
FP32 (float)
5.914 TFLOPS
1.638 TFLOPS
FP64 (double)
739.2 GFLOPS
102.4 GFLOPS
FP16 (half)
-
3.277 TFLOPS
Graphics Processor
GPU Name
Grenada
Van Gogh
GPU Variant
Grenada XT(215-0880004)
100-000000405
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
6.2 billion
2.4 billion
Die Size
438 mm²
163 mm²
Board Design
TDP
275W
15W
Suggested PSU
600 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x USB Type-C
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8