NVIDIA
NVIDIA RTX A4000
The NVIDIA RTX A4000 is a single-slot Ampere workstation graphics card with 6,144 CUDA cores and 16 GB of ECC GDDR6 on a 256-bit bus. It draws 140 W through one 6-pin connector and targets compact professional workstations.
Pros
- 16 GB of ECC GDDR6 memory with 448 GB/s bandwidth
- Single-slot form factor fits compact workstation chassis
- Only a single 6-pin PCIe power connector needed
- Four DisplayPort 1.4a outputs for multi-monitor setups
Cons
- Not aimed at gaming and priced as a professional card
- Ampere generation, without the newer Ada Lovelace features
- Active blower cooling in a single slot adds fan noise under load
Below average
Computed from specs & benchmarks via our public methodology.
Full specifications
Everything we track for the NVIDIA RTX A4000
General
- Announced
- 2021
- Architecture
- Ampere
- Process
- 8 nm
- TDP
- 140 W
- Power connector
- 1x 6-pin PCIe
Cores & Clocks
- Shading units
- 6,144
- RT cores
- 48
- Tensor / AI cores
- 192
Memory
- VRAM
- 16 GB
- VRAM type
- GDDR6
- Bus width
- 256 bit
- Bandwidth
- 448 GB/s
Benchmarks
- 3DMark Time Spy
- 11,093Bottom 50%
- 3DMark Speed Way
- 2,839Bottom 43%
- PassMark G3D
- 19,307Top 47%
Quick answers
Is the NVIDIA RTX A4000 good in 2026?
The NVIDIA RTX A4000 earns an Inno Score of 47.3/100 (“Below average”) based on its specs and benchmark results. The NVIDIA RTX A4000 is a single-slot Ampere workstation graphics card with 6,144 CUDA cores and 16 GB of ECC GDDR6 on a 256-bit bus. It draws 140 W through one 6-pin connector and targets compact professional workstations.
What are the key specs of the NVIDIA RTX A4000?
VRAM: 16 GB · TDP: 140 W · 3DMark Time Spy: 11,093
What are the closest alternatives to the NVIDIA RTX A4000?
Its closest rivals on InnoReviews are NVIDIA GeForce RTX 3070 Ti, NVIDIA GeForce RTX 3070, NVIDIA GeForce RTX 5060 — open the comparison pages for a spec-by-spec breakdown.
