GPU Comparison
RADEON
AMD Steam Deck OLED GPU
CORE STATE
Sephiroth
VRAM
16 GB
CLOCK SPEED
1600 MHz
TDP
15 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
6 nm
LAUNCH DATE
2023
VS
GPU
Arc A380M
CORE STATE
DG2-128
VRAM
6 GB
CLOCK SPEED
2000 MHz
TDP
35 W
BUS WIDTH
96 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2023
DETAILED SPECIFICATIONS
SPECIFICATION
Steam Deck OLED GPU
A380M
Core Specs
Shading Units
512
1,024
+100.0%
Shaders
512
1,024
+100.0%
TMUs
32
64
+100.0%
ROPs
16
32
+100.0%
Compute Units
8
—
Execution Units
—
128
Clocks
Base Clock
1000 MHz
1550 MHz
Boost Clock
1600 MHz
2000 MHz
Memory Clock
1375 MHz
11 Gbps effective
1937 MHz
15.5 Gbps effective
Memory
Memory Size
16 GB
6 GB
VRAM (MB)
16,384
6,144
-62.5%
Memory Type
LPDDR5
GDDR6
Memory Bus
128 bit
96 bit
Bandwidth
176.0 GB/s
186.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
1024 KB
4 MB
L3 Cache
8 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
25.60 GPixel/s
64.00 GPixel/s
Texture Rate
51.20 GTexel/s
128.0 GTexel/s
FP32 (TFLOPS)
1.638 TFLOPS
4.096 TFLOPS
FP64 (TFLOPS)
102.4 GFLOPS (1:16)
1,024.0 GFLOPS (1:4)
FP16 (TFLOPS)
3.277 TFLOPS (2:1)
8.192 TFLOPS (2:1)
AI/RT
RT Cores
8
8
0.0%
XMX Cores
—
128
Power
TDP
15 W
35 W
TDP (W)
15
35
+133.3%
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Sephiroth
DG2-128
Generation
Console GPU
(Valve)
Alchemist
(Arc 3 Mobile)
Process Size
6 nm
6 nm
Transistors
2,400 million
7,200 million
Die Size
131 mm²
157 mm²
Foundry
TSMC
TSMC
Density
18.3M / mm²
45.9M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.0
3.0
Shader Model
6.8
6.6
Physical
Slot Width
—
MXM Module
Length
298 mm
11.7 inches
—
Height
117 mm
4.6 inches
—
Outputs
1x USB Type-C
Portable Device Dependent
Bus Interface
—
MXM-A (3.1)
Other
Production
Active
Active