Radeon Pro Vega 56 vs GeForce RTX 4090 Max Q
We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro Vega 56 and 16GB VRAM GeForce RTX 4090 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 Max Q 's Advantages
Released 5 years and 5 months late
Boost Clock has increased by 16% (1455MHz vs 1250MHz)
More VRAM (16GB vs 8GB)
Larger VRAM bandwidth (448.0GB/s vs 402.4GB/s)
6144 additional rendering cores
Lower TDP (80W vs 210W)
Score
Benchmark
FP32 (float)
Radeon Pro Vega 56
8960
GeForce RTX 4090 Max Q
+215%
28310
Graphics Card
Aug 2017
Release Date
Jan 2023
Radeon Pro Mac
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1138 MHz
Base Clock
930 MHz
1250 MHz
Boost Clock
1455 MHz
786 MHz
Memory Clock
1750 MHz
Memory
8GB
Memory Size
16GB
HBM2
Memory Type
GDDR6
2048bit
Memory Bus
256bit
402.4GB/s
Bandwidth
448.0GB/s
Render Config
56
Compute Units
-
-
SM Count
76
3584
Shading Units
9728
224
TMUs
304
64
ROPs
112
-
Tensor Cores
304
-
RT Cores
76
16 KB (per CU)
L1 Cache
128 KB (per SM)
4 MB
L2 Cache
64 MB
Theoretical Performance
80.00 GPixel/s
Pixel Rate
163.0 GPixel/s
280.0 GTexel/s
Texture Rate
442.3 GTexel/s
17.92 TFLOPS
FP16 (half)
28.31 TFLOPS
8.960 TFLOPS
FP32 (float)
28.31 TFLOPS
560.0 GFLOPS
FP64 (double)
442.3 GFLOPS
Board Design
210W
TDP
80W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Vega 10
GPU Name
AD103
Vega 10 XL
(215-0894216)
GPU Variant
GN21-X11
GCN 5.0
Architecture
Ada Lovelace
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
4 nm
12.5 billion
Transistors
45.9 billion
495 mm²
Die Size
379 mm²
Graphics Features
12 (12_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
6.4
Shader Model
6.7