readygpu

NVIDIA RTX PRO 4500 Blackwell vs NVIDIA RTX PRO 5000 Blackwell 48GB

For running models locally, priced in the UK. At 128k context the first runs 50 models fully in memory, the second 60.

In short

The NVIDIA RTX PRO 5000 Blackwell 48GB has more memory for models: 48 GB against 32 GB. At 128k context the NVIDIA RTX PRO 5000 Blackwell 48GB runs 60 of the models we track fully in memory and the NVIDIA RTX PRO 4500 Blackwell 50; only the NVIDIA RTX PRO 5000 Blackwell 48GB holds Qwen 3.5 122B-A10B. On the models both run fully in memory, the NVIDIA RTX PRO 5000 Blackwell 48GB is about 1.5× as fast as the NVIDIA RTX PRO 4500 Blackwell (estimated, median across models). In the UK the NVIDIA RTX PRO 4500 Blackwell costs £4,587 at eBay and the NVIDIA RTX PRO 5000 Blackwell 48GB £5,087 at eBay: the NVIDIA RTX PRO 4500 Blackwell is £500 cheaper.

Updated . Speeds are estimates; how they are worked out.

NVIDIA RTX PRO 4500 Blackwell

£4,587

eBay

Add to build
NVIDIA RTX PRO 5000 Blackwell 48GB

£5,087

eBay

Add to build

Specifications

SpecNVIDIA RTX PRO 4500 BlackwellNVIDIA RTX PRO 5000 Blackwell 48GB
GPURTX PRO 4500 BlackwellRTX PRO 5000 Blackwell 48GB
Memory32 GB GDDR748 GB GDDR7
Memory bus256-bit384-bit
Memory bandwidth896 GB/s1,344 GB/s
FP16 compute54.94 TFLOPS73.69 TFLOPS
SoftwareCUDACUDA
Board power200 W300 W
PCIe generationGen 5Gen 5
PCIe lanesx16x16

What each runs

Estimated decode speed with the most precise quant that fits each one est.

ModelNVIDIA RTX PRO 4500 BlackwellNVIDIA RTX PRO 5000 Blackwell 48GB
Qwen 3.8 27B18tok/sUD-Q6_K22tok/sQ8_0
Qwen 3.5 122B-A10Boffload74tok/sUD-Q2_K_XL
Qwen 3.6 27B18tok/sQ6_K22tok/sQ8_0
Gemma 4 31B19tok/sQ4_K_M19tok/sQ8_0
Mistral Small 4 119Boffload93tok/sUD-Q2_K_XL
Qwen 3.6 35B-A3B64tok/sUD-Q6_K86tok/sQ8_0
Qwen 3.5 27B18tok/sQ6_K22tok/sQ8_0
Gemma 4 26B-A4B47tok/sQ8_071tok/sQ8_0
Qwen 3.5 35B-A3B65tok/sQ6_K86tok/sQ8_0
GLM 4.7 Flash30tok/sQ6_K40tok/sQ8_0
Devstral Small 2 24Boffload18tok/sQ8_0
Nemotron 3.5 Lightning 30B-A3B90tok/sUD-Q5_K_M120tok/sUD-Q6_K_XL
Kimi Linear 48B-A3B114tok/sQ4_K_M140tok/sQ6_K
gpt-oss 20B59tok/sMXFP489tok/sMXFP4
Qwen3 Coder 30B-A3B23tok/sQ4_K_M31tok/sQ8_0
Gemma 4 12B37tok/sQ8_055tok/sQ8_0
Qwen 3.5 9B40tok/sQ8_060tok/sQ8_0
Gemma 3 27B18tok/sQ5_K_M21tok/sQ8_0
Mistral Small 3.2 24Boffload18tok/sQ8_0
Ministral 3 14B18tok/sQ5_K_M23tok/sQ8_0
Qwen3 14B17tok/sQ5_K_M22tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B20tok/sQ8_030tok/sQ8_0
Qwen3 8B20tok/sQ8_030tok/sQ8_0
Phi-4 14Boffload20tok/sQ8_0
Qwen 3.5 4B63tok/sQ8_094tok/sQ8_0
Ministral 3 8B20tok/sQ8_031tok/sQ8_0
Granite 4.2 8B18tok/sQ8_027tok/sQ8_0
Gemma 4 E4B46tok/sQ8_070tok/sQ8_0
LFM2.5 8B-A1B44tok/sQ8_067tok/sQ8_0
Llama 3.1 8B23tok/sQ6_K35tok/sQ6_K
Qwen2.5 0.5B259tok/sQ8_0389tok/sQ8_0
Qwen3.5 0.8B228tok/sQ8_0341tok/sQ8_0
Qwen3.5 2B181tok/sQ5_K_M272tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B98tok/sQ8_0147tok/sQ8_0
Mellum2.1 12B A2.5B Thinking73tok/sQ8_0109tok/sQ8_0
Spark X2.5 4B70tok/smlx-4bit105tok/smlx-4bit
MiniCPM5 2B67tok/sQ8_0100tok/sQ8_0
FrogNano 4B 260962tok/sQ8_093tok/sQ8_0
LFM2.5 2.6B51tok/sQ8_076tok/sQ8_0
LFM2.5 VL 3B51tok/sQ8_076tok/sQ8_0
Kimi VL A3B Thinking 250646tok/sQ8_070tok/sQ8_0
Kimi VL A3B45tok/smlx-8bit68tok/smlx-8bit
GLM 4 9B 041441tok/smlx-5bit61tok/smlx-5bit
granite vision 4.1 4b39tok/sQ8_058tok/sQ8_0
granite 4.2 3b38tok/sQ8_057tok/sQ8_0
GLM 4.6V Flash36tok/sQ8_054tok/sQ8_0
DeepSeek R1 Distill Qwen 7B36tok/sQ8_053tok/sQ8_0
GLM 4.1V 9B Thinking32tok/smlx-8bit49tok/smlx-8bit
Ministral 3 3B Instruct 251232tok/sQ8_047tok/sQ8_0
LFM2.5 24B A2B27tok/sQ6_K39tok/sQ8_0
Muse Glimmer 30B22tok/sQ6_K24tok/sQ8_0
DeepSeek R1 Distill Llama 8B22tok/sQ8_032tok/sQ8_0
Ministral 3 8B Reasoning 251220tok/sQ8_031tok/sQ8_0
Qwen3.8 27B OBLITERATED19tok/smlx-4bit28tok/smlx-4bit
Ministral 3 14B Reasoning 251218tok/sQ5_K_M23tok/sQ8_0
DeepSeek R1 Distill Qwen 14Boffload20tok/sQ8_0
Devstral Small 2507offload18tok/sQ8_0
Magistral Small 2506offload18tok/sQ8_0
Magistral Small 2507offload18tok/sQ8_0
Magistral Small 2509offload18tok/sQ8_0
Qwen3 Coder Nextoffloadoffload
Nemotron 3 Super 120B-A12Boffloadoffload
gpt-oss 120Bwon't runoffload
GLM 4.5 Airwon't runoffload
Qwen3 Next 80B-A3Boffloadoffload
Qwen3 32Boffloadoffload
DeepSeek R1 Distill Qwen 32Boffloadoffload
granite 4.2 30boffloadoffload
DeepSeek V4 Flashwon't runwon't run
GLM 5.3 Flashwon't runwon't run
Qwen 3.8 Flash Nextwon't runwon't run
MiniMax M2.7won't runwon't run
Llama 3.3 70Bwon't runwon't run
DeepSeek R1won't runwon't run
DeepSeek R1 0528won't runwon't run
DeepSeek R1 Distill Llama 70Bwon't runwon't run
DeepSeek R1 Zerowon't runwon't run
DeepSeek V3won't runwon't run
DeepSeek V3 0324won't runwon't run
DeepSeek V3.1won't runwon't run
DeepSeek V3.1 Terminuswon't runwon't run
DeepSeek V3.2won't runwon't run
DeepSeek V4 Flash 0731won't runwon't run
DeepSeek V4 Flash Vision Expwon't runwon't run
Devstral 2 123B Instruct 2512won't runwon't run
GLM 4.5won't runwon't run
GLM 4.5Vwon't runwon't run
GLM 4.6won't runwon't run
GLM 4.6Vwon't runwon't run
GLM 4.7won't runwon't run
GLM 5won't runwon't run
GLM 5.1won't runwon't run
GLM 5.2won't runwon't run
GLM 5.3won't runwon't run
Kimi Dev 72Bwon't runwon't run
Kimi K2won't runwon't run
Kimi K2 Instruct 0905won't runwon't run
Kimi K2 Thinkingwon't runwon't run
Kimi K2.5won't runwon't run
MiniMax M2won't runwon't run
MiniMax M2.1won't runwon't run
MiniMax M2.5won't runwon't run
MiniMax M3won't runwon't run
Mistral Medium 3.5 128Bwon't runwon't run

Questions

Which is better for local AI, the NVIDIA RTX PRO 4500 Blackwell or the NVIDIA RTX PRO 5000 Blackwell 48GB?
Choose the NVIDIA RTX PRO 5000 Blackwell 48GB to run bigger models. Choose the NVIDIA RTX PRO 5000 Blackwell 48GB for speed. Choose the NVIDIA RTX PRO 4500 Blackwell to spend less.
Which can run bigger models, the NVIDIA RTX PRO 4500 Blackwell or the NVIDIA RTX PRO 5000 Blackwell 48GB?
At 128k context the NVIDIA RTX PRO 5000 Blackwell 48GB runs 60 of the models we track fully in memory and the NVIDIA RTX PRO 4500 Blackwell 50; only the NVIDIA RTX PRO 5000 Blackwell 48GB holds Qwen 3.5 122B-A10B.
Which is faster for local AI, the NVIDIA RTX PRO 4500 Blackwell or the NVIDIA RTX PRO 5000 Blackwell 48GB?
On the models both run fully in memory, the NVIDIA RTX PRO 5000 Blackwell 48GB is about 1.5× as fast as the NVIDIA RTX PRO 4500 Blackwell (estimated, median across models).
What is the price difference between the NVIDIA RTX PRO 4500 Blackwell and the NVIDIA RTX PRO 5000 Blackwell 48GB?
In the UK the NVIDIA RTX PRO 4500 Blackwell costs £4,587 at eBay and the NVIDIA RTX PRO 5000 Blackwell 48GB £5,087 at eBay: the NVIDIA RTX PRO 4500 Blackwell is £500 cheaper.

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