ASRock Arc A770 Challenger OC 16 GB vs Lenovo ThinkStation PGX

Comparison of ASRock Arc A770 Challenger OC 16 GB with 16 GB GDDR6 and 4,096 cores vs Lenovo ThinkStation PGX with 128 GB LPDDR5X and 6,144 cores.

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Performance Rating

Lenovo ThinkStation PGX outperforms ASRock Arc A770 Challenger OC 16 GB by 48.59% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

ASRock Arc A770 Challenger OC 16 GB

11.7

ASRock Arc A770 Challenger OC 16 GB

11.7
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

Lenovo ThinkStation PGX

17.4

Lenovo ThinkStation PGX

17.4

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

16 GB
🔥 +700% 128 ГБ

Memory Type

GDDR6 LPDDR5X

Memory Bandwidth

559.9 GB/s 273.2 GB/s

Memory Bus Width

256 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +32% 39.32 TFLOPS
29.71 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

19.66 TFLOPS
🔥 +51% 29.71 TFLOPS

FP64 (Double Precision)

🔥 +429% 2.458 TFLOPS
0.4643 TFLOPS

CUDA Cores

4,096
🔥 +50% 6,144

RT Cores

32
🔥 +50% 48

Architecture & Compatibility

GPU Architecture

Xe-HPG Blackwell 2.0

SM (Streaming Multiprocessor)

No
🔥 48

PCIe Version

PCIe 4.0 x16 PCIe 5.0 x16

ML Software Support

CUDA Version

No 12.1

Clocks & Performance

Base Clock

🔥 +29% 2,150
1,665

Boost Clock

2,400
🔥 +1% 2,418

Memory Clock

🔥 +105% 2,187
1,067

Power Consumption

Recommended PSU

550 W
🔥 -45% 300 W

Power Connector

2x 8-pin None

TDP/TGP

225 W
🔥 -38% 140 W

Rendering

Texture Units (TMU)

256
🔥 +50% 384

ROP

32
🔥 +50% 48

L2 Cache

16 MB
🔥 +212% 50 MB

Additional

Slots

Dual-slot IGP

Release Date

Oct. 12, 2022 Oct. 15, 2025

Display Outputs

1x HDMI 2.1
3x DisplayPort 2.0
1x HDMI

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