NVIDIA RTX A5000 Max-Q vs AMD Radeon R5 A255
We compared two Mobile platform GPUs: 16GB VRAM RTX A5000 Max Q and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A5000 Max-Q 's Advantages
Released 7 years and 3 months late
Boost Clock has increased by 44% (1350MHz vs 940MHz)
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (384.0GB/s vs 64.00GB/s)
5760 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A5000 Max Q
+2200%
16.59 TFLOPS
Radeon R5 A255
0.721 TFLOPS
Graphics Card
Apr 2021
Release Date
Jan 2014
Quadro Ampere-M
Generation
All-In-One
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
720 MHz
Base Clock
925 MHz
1350 MHz
Boost Clock
940 MHz
1500 MHz
Memory Clock
1000 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
384.0GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
6
48
SM Count
-
6144
Shading Units
384
192
TMUs
24
96
ROPs
8
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
129.6 GPixel/s
Pixel Rate
7.520 GPixel/s
259.2 GTexel/s
Texture Rate
22.56 GTexel/s
16.59 TFLOPS
FP16 (half)
-
16.59 TFLOPS
FP32 (float)
721.9 GFLOPS
259.2 GFLOPS
FP64 (double)
-
Board Design
80W
TDP
Unknown
-
-
-
Portable Device Dependent
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
GA104
GPU Name
Topaz
-
GPU Variant
Topaz PRO
(216-0858030)
Ampere
Architecture
GCN 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
1.55 billion
392 mm²
Die Size
125 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2.170
8.6
CUDA
-
6.7
Shader Model
6.5
