AMD Radeon RX 7700 vs ASRock Arc A770 Challenger OC 16 GB

Comparison of AMD Radeon RX 7700 with 16 GB GDDR6 and 2,560 cores vs ASRock Arc A770 Challenger OC 16 GB with 16 GB GDDR6 and 4,096 cores.

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Performance Rating

AMD Radeon RX 7700 outperforms ASRock Arc A770 Challenger OC 16 GB by 20.7% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon RX 7700

14.1

AMD Radeon RX 7700

14.1
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

ASRock Arc A770 Challenger OC 16 GB

11.7

ASRock Arc A770 Challenger OC 16 GB

11.7

Contents:

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

Memory

Memory Size

16 GB 16 GB

Memory Type

GDDR6 GDDR6

Memory Bandwidth

622.1 GB/s 559.9 GB/s

Memory Bus Width

256 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +35% 53.25 TFLOPS
39.32 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +35% 26.62 TFLOPS
19.66 TFLOPS

FP64 (Double Precision)

0.832 TFLOPS
🔥 +195% 2.458 TFLOPS

CUDA Cores

2,560
🔥 +60% 4,096

RT Cores

🔥 +25% 40
32

Architecture & Compatibility

GPU Architecture

RDNA 3.0 Xe-HPG

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,900
🔥 +13% 2,150

Boost Clock

🔥 +8% 2,600
2,400

Memory Clock

🔥 +11% 2,430
2,187

Power Consumption

Recommended PSU

550 W 550 W

Power Connector

1x 8-pin 2x 8-pin

TDP/TGP

🔥 -11% 200 W
225 W

Rendering

Texture Units (TMU)

160
🔥 +60% 256

ROP

🔥 +25% 40
32

L2 Cache

🔥 2 MB
16 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

Sept. 18, 2025 Oct. 12, 2022

Display Outputs

1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
1x HDMI 2.1
3x DisplayPort 2.0

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