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 4070 Max-Q
CORE STATE
AD106
VRAM
8 GB
CLOCK SPEED
1230 MHz
TDP
35 W
BUS WIDTH
128 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
DETAILED SPECIFICATIONS
SPECIFICATION
Steam Deck OLED GPU
RTX 4070 Max-Q
Core Specs
Shading Units
512
4,608
+800.0%
Shaders
512
4,608
+800.0%
TMUs
32
144
+350.0%
ROPs
16
48
+200.0%
Compute Units
8
—
SM Count
—
36
Clocks
Base Clock
1000 MHz
735 MHz
Boost Clock
1600 MHz
1230 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
128 bit
Bandwidth
176.0 GB/s
256.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
1024 KB
32 MB
L3 Cache
8 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
25.60 GPixel/s
59.04 GPixel/s
Texture Rate
51.20 GTexel/s
177.1 GTexel/s
FP32 (TFLOPS)
1.638 TFLOPS
11.34 TFLOPS
FP64 (TFLOPS)
102.4 GFLOPS (1:16)
177.1 GFLOPS (1:64)
FP16 (TFLOPS)
3.277 TFLOPS (2:1)
11.34 TFLOPS (1:1)
AI/RT
RT Cores
8
36
+350.0%
Tensor Cores
—
144
Power
TDP
15 W
35 W
TDP (W)
15
35
+133.3%
Power Connectors
—
None
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Sephiroth
AD106
Generation
Console GPU
(Valve)
GeForce 40 Mobile
Process Size
6 nm
5 nm
Transistors
2,400 million
22,900 million
Die Size
131 mm²
188 mm²
Foundry
TSMC
TSMC
Density
18.3M / mm²
121.8M / 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 x8
Other
Production
Active
Active
Predecessor
—
GeForce 30 Mobile
Successor
—
GeForce 50 Mobile