NVIDIA GB10 vs AMD Steam Deck OLED GPU
GPU Specs Compare
Graphics Card
Release Date
Oct 2025
Nov 2023
Generation
Server Blackwell
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 5.0 x16
-
Clock Speeds
Base Clock
1665 MHz
1000 MHz
Boost Clock
2418 MHz
1600 MHz
Memory Clock
1067 MHz
1375 MHz
Memory
Memory Size
128GB
16GB
Memory Type
LPDDR5X
LPDDR5
Memory Bus
256bit
128bit
Bandwidth
273.2GB/s
88.00GB/s
Render Config
SM Count
48
-
Shading Units
6144
512
TMUs
384
32
ROPs
48
16
Tensor Cores
384
-
RT Cores
48
8
L1 Cache
256 KB (per SM)
128 KB per Array
L2 Cache
50 MB
1024 KB
Compute Units
-
8
L3 Cache
-
8 MB
Theoretical Performance
Pixel Rate
116.1 GPixel/s
25.60 GPixel/s
Texture Rate
928.5 GTexel/s
51.20 GTexel/s
FP16 (half)
29.71 TFLOPS
3.277 TFLOPS
FP32 (float)
29.71 TFLOPS
1.638 TFLOPS
FP64 (double)
464.3 GFLOPS
102.4 GFLOPS
Graphics Processor
GPU Name
GB20B
Sephiroth
Architecture
Blackwell 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
3 nm
6 nm
Transistors
Unknown
2.4 billion
Die Size
Unknown
131 mm²
Board Design
TDP
140W
15W
Suggested PSU
300 W
-
Outputs
1x HDMI
1x USB Type-C
Power Connectors
None
-
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
2.0
Vulkan
N/A
1.2
CUDA
12.1
-
Shader Model
N/A
6.5