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
GEFORCE
GeForce RTX 4090 Max-Q
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1455 MHz
TDP
80 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
DETAILED SPECIFICATIONS
SPECIFICATION
Steam Deck OLED GPU
RTX 4090 Max-Q
Core Specs
Shading Units
512
9,728
+1800.0%
Shaders
512
9,728
+1800.0%
TMUs
32
304
+850.0%
ROPs
16
112
+600.0%
Compute Units
8
—
SM Count
—
76
Clocks
Base Clock
1000 MHz
930 MHz
Boost Clock
1600 MHz
1455 MHz
Memory Clock
1375 MHz
11 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
16 GB
16 GB
VRAM (MB)
16,384
16,384
0.0%
Memory Type
LPDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
176.0 GB/s
576.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
1024 KB
64 MB
L3 Cache
8 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
25.60 GPixel/s
163.0 GPixel/s
Texture Rate
51.20 GTexel/s
442.3 GTexel/s
FP32 (TFLOPS)
1.638 TFLOPS
28.31 TFLOPS
FP64 (TFLOPS)
102.4 GFLOPS (1:16)
442.3 GFLOPS (1:64)
FP16 (TFLOPS)
3.277 TFLOPS (2:1)
28.31 TFLOPS (1:1)
AI/RT
RT Cores
8
76
+850.0%
Tensor Cores
—
304
Power
TDP
15 W
80 W
TDP (W)
15
80
+433.3%
Power Connectors
—
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Sephiroth
AD103
Generation
Console GPU
(Valve)
GeForce 40 Mobile
Process Size
6 nm
5 nm
Transistors
2,400 million
45,900 million
Die Size
131 mm²
379 mm²
Foundry
TSMC
TSMC
Density
18.3M / mm²
121.1M / 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
CUDA
—
8.9
Shader Model
6.8
6.8
Physical
Slot Width
—
IGP
Length
298 mm
11.7 inches
—
Height
117 mm
4.6 inches
—
Outputs
1x USB Type-C
Portable Device Dependent
Bus Interface
—
PCIe 4.0 x16
Other
Production
Active
Active
Predecessor
—
GeForce 30 Mobile
Successor
—
GeForce 50 Mobile