NVIDIA RTX A4 Mobile vs NVIDIA RTX A4500
We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 20GB VRAM RTX A4500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4 Mobile 's Advantages
Boost Clock has increased by 7% (1770MHz vs 1650MHz)
NVIDIA RTX A4500 's Advantages
Released 7 months late
More VRAM (20GB vs 4GB)
Larger VRAM bandwidth (640.0GB/s vs 224.0GB/s)
5120 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4 Mobile
7.25 TFLOPS
RTX A4500
+226%
23.65 TFLOPS
Graphics Card
Apr 2021
Release Date
Nov 2021
Quadro Ampere-M
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 4.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1297 MHz
Base Clock
1050 MHz
1770 MHz
Boost Clock
1650 MHz
1750 MHz
Memory Clock
2000 MHz
Memory
4GB
Memory Size
20GB
GDDR6
Memory Type
GDDR6
128bit
Memory Bus
320bit
224.0GB/s
Bandwidth
640.0GB/s
Render Config
-
-
-
16
SM Count
56
2048
Shading Units
7168
64
TMUs
224
32
ROPs
96
64
Tensor Cores
224
16
RT Cores
56
128 KB (per SM)
L1 Cache
128 KB (per SM)
2 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
56.64 GPixel/s
Pixel Rate
158.4 GPixel/s
113.3 GTexel/s
Texture Rate
369.6 GTexel/s
7.250 TFLOPS
FP16 (half)
23.65 TFLOPS
7.250 TFLOPS
FP32 (float)
23.65 TFLOPS
113.3 GFLOPS
FP64 (double)
369.6 GFLOPS
Board Design
Unknown
TDP
200W
-
Suggested PSU
550 W
Portable Device Dependent
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 8-pin
Graphics Processor
GA107
GPU Name
GA102
-
-
-
Ampere
Architecture
Ampere
Samsung
Foundry
Samsung
8 nm
Process Size
8 nm
8.7 billion
Transistors
28.3 billion
200 mm²
Die Size
628 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
8.6
6.7
Shader Model
6.7
