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 A580
CORE STATE
DG2-512
VRAM
8 GB
CLOCK SPEED
2000 MHz
TDP
175 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Steam Deck OLED GPU
A580
Core Specs
Shading Units
512
3,072
+500.0%
Shaders
512
3,072
+500.0%
TMUs
32
192
+500.0%
ROPs
16
96
+500.0%
Compute Units
8
—
Execution Units
—
384
Clocks
Base Clock
1000 MHz
1700 MHz
Boost Clock
1600 MHz
2000 MHz
Memory Clock
1375 MHz
11 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
16 GB
8 GB
VRAM (MB)
16,384
8,192
-50.0%
Memory Type
LPDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
176.0 GB/s
512.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
1024 KB
8 MB
L3 Cache
8 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
25.60 GPixel/s
192.0 GPixel/s
Texture Rate
51.20 GTexel/s
384.0 GTexel/s
FP32 (TFLOPS)
1.638 TFLOPS
12.29 TFLOPS
FP64 (TFLOPS)
102.4 GFLOPS (1:16)
1.536 TFLOPS (1:8)
FP16 (TFLOPS)
3.277 TFLOPS (2:1)
24.58 TFLOPS (2:1)
AI/RT
RT Cores
8
24
+200.0%
XMX Cores
—
384
Power
TDP
15 W
175 W
TDP (W)
15
175
+1066.7%
Suggested PSU
—
450 W
Power Connectors
—
2x 8-pin
Architecture
Architecture
RDNA 2.0
Xe-HPG
GPU Name
Sephiroth
DG2-512
Generation
Console GPU
(Valve)
Alchemist
(Arc 5)
Process Size
6 nm
6 nm
Transistors
2,400 million
21,700 million
Die Size
131 mm²
406 mm²
Foundry
TSMC
TSMC
Density
18.3M / mm²
53.4M / 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
—
Dual-slot
Length
298 mm
11.7 inches
—
Height
117 mm
4.6 inches
—
Outputs
1x USB Type-C
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
—
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
—
Xe Graphics
Successor
—
Battlemage