NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA RTX A4500 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Nov 2018
Mar 2022
Generation
Radeon Instinct
Quadro Ampere-M
Type
Professional
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1200 MHz
930 MHz
Boost Clock
1746 MHz
1500 MHz
Memory Clock
1000 MHz
2000 MHz
Memory
Memory Size
16GB
16GB
Memory Type
HBM2
GDDR6
Memory Bus
4096bit
256bit
Bandwidth
1.02TB/s
512.0GB/s
Render Config
SM Count
48
46
Compute Units
60
—
Shading Units
3840
5888
TMUs
240
184
ROPs
64
96
Tensor Cores
192
184
RT Cores
48
46
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
4 MB
4 MB
Theoretical Performance
Pixel Rate
111.7 GPixel/s
144.0 GPixel/s
Texture Rate
419.0 GTexel/s
276.0 GTexel/s
FP16 (half)
26.82 TFLOPS
17.66 TFLOPS
FP32 (float)
13.41 TFLOPS
17.66 TFLOPS
FP64 (double)
6.705 TFLOPS
276.0 GFLOPS
Graphics Processor
GPU Name
Vega 20
GA104
GPU Variant
Vega 20 GLXT
—
Architecture
GCN 5.1
Ampere
Foundry
TSMC
Samsung
Process Size
7 nm
8 nm
Transistors
13.23 billion
17.4 billion
Die Size
331 mm²
392 mm²
Board Design
TDP
300W
140W
Suggested PSU
700 W
—
Outputs
1x mini-DisplayPort 1.4a
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
CUDA
8.9
8.6
Shader Model
6.7
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.