AMD Steam Deck OLED GPU vs AMD Radeon RX 455 OEM
GPU · Specs Compare
Graphics Card
Release Date
Nov 2023
Jun 2016
Generation
Console GPU
Arctic Islands
Type
Game console
Desktop
Bus Interface
—
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
1600 MHz
—
Memory Clock
1375 MHz
1625 MHz
Memory
Memory Size
16GB
2GB
Memory Type
LPDDR5
GDDR5
Memory Bus
128bit
128bit
Bandwidth
88.00GB/s
104.0GB/s
Render Config
Compute Units
8
12
Shading Units
512
768
TMUs
32
48
ROPs
16
16
RT Cores
8
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
256 KB
L3 Cache
8 MB
—
Theoretical Performance
Pixel Rate
25.60 GPixel/s
16.80 GPixel/s
Texture Rate
51.20 GTexel/s
50.40 GTexel/s
FP16 (half)
3.277 TFLOPS
—
FP32 (float)
1.638 TFLOPS
1.613 TFLOPS
FP64 (double)
102.4 GFLOPS
100.8 GFLOPS
Graphics Processor
GPU Name
Sephiroth
Tobago
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
6 nm
28 nm
Transistors
2.4 billion
2.08 billion
Die Size
131 mm²
160 mm²
GPU Variant
—
Tobago PRO(215-0875010)
Board Design
TDP
15W
100W
Outputs
1x USB Type-C
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
—
300 W
Power Connectors
—
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.5
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.