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RTX A4000 — Ampere · 16 GB GDDR6 ECC · 140 W
NVIDIA

RTX A4000

Ampere · 16 GB GDDR6 ECC · 140 W

82
/ 100
From $1,000
VS
RTX 6000 Ada wins by 13
RTX 6000 Ada — Ada · 48 GB GDDR6 ECC · 300 W
NVIDIA

RTX 6000 Ada

Ada · 48 GB GDDR6 ECC · 300 W

95
/ 100
From $6,800
Specdex verdict

RTX 6000 Ada takes it — here’s why.

In our weighted Specdex score, RTX A4000 lands at 82 and RTX 6000 Ada at 95. That puts RTX 6000 Ada ahead by 13 points — a decisive margin driven mostly by its strengths in the categories below.

Pick RTX A4000 if…

  • ✓ECC VRAM for professional workloads
  • ✓ISV certifications
  • ✓Huge framebuffer

Pick RTX 6000 Ada if…

  • ✓ECC VRAM for professional workloads
  • ✓ISV certifications
  • ✓Huge framebuffer
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

4K & rasterization

RTX 6000 Ada

Traditional rendering throughput at high resolution

RTX 6000 Ada leads on raster (90 vs 77).

Ray tracing

RTX 6000 Ada

RT-heavy titles with path-traced lighting

RTX 6000 Ada leads on rt (95 vs 82).

AI workloads

RTX 6000 Ada

Local inference, upscaling, generative tools

RTX 6000 Ada leads on ai (96 vs 83).

Power efficiency

Tie

Frames per watt — heat, noise, and PSU sizing

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

RTX A4000

Specdex score per dollar at MSRP

RTX A4000 more score per dollar ($1,000 vs $6,800).

RTX A4000 82
vs
95 RTX 6000 Ada

Score breakdown

RTX A4000
82
raster 77
rt 82
ai 83
efficiency 85
RTX 6000 Ada
95
raster 90
rt 95
ai 96
efficiency 85

Specs side-by-side

RTX A4000 versus RTX 6000 Ada — full spec comparison
Spec RTX A4000 RTX 6000 Ada
Architecture
Ampere
Ada
VRAM
16 GB GDDR6 ECC
▲ 48 GB GDDR6 ECC
TBP
140 W
300 W
Release year
2021
2022

RTX A4000

Pros
  • +ECC VRAM for professional workloads
  • +ISV certifications
  • +Huge framebuffer
Cons
  • −Expensive per-frame vs consumer
  • −Lower gaming clocks
  • −Driver optimized for CAD/DCC not games

RTX 6000 Ada

Pros
  • +ECC VRAM for professional workloads
  • +ISV certifications
  • +Huge framebuffer
Cons
  • −Expensive per-frame vs consumer
  • −Lower gaming clocks
  • −Driver optimized for CAD/DCC not games

FAQ: RTX A4000 vs RTX 6000 Ada

Which is better, RTX A4000 or RTX 6000 Ada? +

RTX 6000 Ada scores 95 on our weighted rubric — ahead by 13. Your best pick depends on the sub-scores above.

Is RTX A4000 worth the price? +

At $1,000, RTX A4000 delivers a Specdex score of 82 — strongest in efficiency.

Is RTX 6000 Ada worth the price? +

At $6,800, RTX 6000 Ada delivers a Specdex score of 95 — strongest in ai.

Does RTX A4000 or RTX 6000 Ada last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for 4K gaming, RTX A4000 or RTX 6000 Ada? +

RTX 6000 Ada — leads on raster (90 vs 77). Traditional rendering throughput at high resolution.

Which is better for ray tracing, RTX A4000 or RTX 6000 Ada? +

RTX 6000 Ada — leads on rt (95 vs 82). RT-heavy titles with path-traced lighting.