NVIDIA RTX A2000 8 GB vs NVIDIA RTX A4000 graphics comparison: performance score, cores and clock speeds, VRAM, TGP, cache, and RT and AI units. The better value in each row is highlighted in green.
Summary
NVIDIA RTX A4000 offers more compute units (CUDA cores: 5120 vs 2560), a higher boost clock (1680 MHz vs 1612 MHz), a wider memory bus (256 bit vs 128 bit), higher memory bandwidth (384 GB/s vs 224 GB/s), and more L2 cache (4 MB vs 2 MB).
Performance score
0
Coming soon
0
Coming soon
Key specs
CUDA cores2560
CUDA cores5120
Boost1612 MHz
Boost1680 MHz
VRAM8 GB
VRAM8 GB
Memory bus128 bit
Memory bus256 bit
TGP35–95 W
TGP80–140 W
MemoryGDDR6
MemoryGDDR6
General
SeriesRTX A Mobile
SeriesRTX A Mobile
GPU architectureAmpere
GPU architectureAmpere
GPU chipGA107
GPU chipGA104
Chip variantQN20-P3-R-A1
FoundrySamsung
FoundrySamsung
Process node8 nm
Process node8 nm
Die size200 mm²
Die size392 mm²
Transistors8.7 billion
Transistors17.4 billion
InterfacePCIe 4.0 x16
InterfacePCIe 4.0 x16
Release dateMarch 22, 2022
Release dateApril 12, 2021
Cores and clocks
CUDA cores2560
CUDA cores5120
20× SM
40× SM
Boost clock (max)1612 MHz
Boost clock (max)1680 MHz
Boost clock (min)1177 MHz
Boost clock (min)1395 MHz
Memory
VRAM8 GB
VRAM8 GB
MemoryGDDR6
MemoryGDDR6
Memory bus128 bit
Memory bus256 bit
Memory speed14 Gb/s
Memory speed12 Gb/s
Bandwidth224 GB/s
Bandwidth384 GB/s
TGP
TGP range35 - 95 W
TGP range80 - 140 W
Cache
L2 cache2 MB
L2 cache4 MB
L1 cache128 KB
L1 cache128 KB
Units
TMUs80
TMUs160
ROPs32
ROPs80
RT cores20
RT cores40
Tensor cores80
Tensor cores160
SM blocks20
SM blocks40
AI
AI performanceN/A
AI performanceN/A
