GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Workstation Verdict

Its memory bandwidth is 129% higher (640 GB/s vs 280 GB/s), translating directly to faster inference throughput.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
Price
Awaiting Data
VRAM
20 GB GDDR6
Mem. Speed
280 GB/s
FP32 Compute
19.2 TFLOPS
Key Specs Advantage

Comparable or lower specs

NVIDIA
RTX A4500
Price
£1,157
VRAM
20 GB GDDR6
Mem. Speed
640 GB/s
FP32 Compute
23.7 TFLOPS
Key Specs Advantage
+129% Bandwidth (640 GB/s vs 280 GB/s)
+100% Memory Bus (320-bit vs 160-bit)
+23% FP32 (TFLOPS) (23.7 TFLOPS vs 19.2 TFLOPS)

RTX 4000 SFF Ada Generation vs RTX A4500: In-Depth Breakdown

Inference Speed: Memory Bandwidth

Memory bandwidth determines how quickly data is fed to the compute units — it's the main bottleneck for autoregressive inference (token generation in LLMs). The RTX A4500 delivers 640 GB/s versus 280 GB/s on the RTX 4000 SFF Ada Generation, a 129% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the RTX A4500 will produce tokens proportionally faster in bandwidth-bound workloads.

AI Training & Compute

For model training, scientific simulation, and rendering, FP32 throughput is the key metric. The RTX A4500 delivers 23.7 TFLOPS against 19.2 TFLOPS for the RTX 4000 SFF Ada Generation — a 23% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the RTX A4500.

Which should you buy: RTX 4000 SFF Ada Generation or RTX A4500?

Both cards serve similar workloads. Base your decision on whichever spec matters most: VRAM for model capacity, memory bandwidth for inference speed, and FP32 compute for training throughput.

Frequently Asked Questions

Can the RTX 4000 SFF Ada Generation or RTX A4500 run large language models?

Yes — with 20GB of VRAM each, both support a similar range of models. Memory bandwidth and compute throughput then differentiate their performance.

Which is faster for LLM inference, the RTX 4000 SFF Ada Generation or the RTX A4500?

The RTX A4500 is faster for token generation — its 640 GB/s memory bandwidth vs 280 GB/s on the RTX 4000 SFF Ada Generation is the primary driver of inference throughput in autoregressive models.

Which is better for AI training?

The RTX A4500 has the advantage at 23.7 TFLOPS vs 19.2 TFLOPS, making training runs proportionally faster than on the RTX 4000 SFF Ada Generation.

Technical Specifications Comparison

Architecture & Cores

SpecificationRTX 4000 SFF Ada GenerationRTX A4500
ArchitectureAda LovelaceAmpere
CUDA Cores (CUDA Cores / CUDA Cores)6,1447,168

Memory

SpecificationRTX 4000 SFF Ada GenerationRTX A4500
VRAM Capacity20 GB20 GB
Memory TypeGDDR6GDDR6
Memory Bus160-bit320-bit
Bandwidth280 GB/s640 GB/s

Connectivity & Power

SpecificationRTX 4000 SFF Ada GenerationRTX A4500
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP70 W200 W
ReleasedFeb 2023Oct 2021

Workstation

SpecificationRTX 4000 SFF Ada GenerationRTX A4500
FP32 (TFLOPS)19.2 TFLOPS23.7 TFLOPS
ECCYesYes
NVLinkNoYes
Form factorlow-profiledual-slot