AMD Radeon R9 390X vs XFX Speedster MERC319 RX 6900 XT ULTRA

Comparison of AMD Radeon R9 390X with 8 GB GDDR5 and 2,816 cores vs XFX Speedster MERC319 RX 6900 XT ULTRA with 16 GB GDDR6 and 5,120 cores.

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Performance Rating

XFX Speedster MERC319 RX 6900 XT ULTRA outperforms AMD Radeon R9 390X by 136.78% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon R9 390X

5.4

AMD Radeon R9 390X

5.4
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

XFX Speedster MERC319 RX 6900 XT ULTRA

12.8

XFX Speedster MERC319 RX 6900 XT ULTRA

12.8

Contents:

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

Memory

Memory Size

8 ГБ
🔥 +100% 16 ГБ

Memory Type

GDDR5 GDDR6

Memory Bandwidth

384.0 GB/s 512.0 GB/s

Memory Bus Width

512 бит 256 бит

ML Performance

FP16 (Half Precision)

No
🔥 47.92 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

5.914 TFLOPS
🔥 +305% 23.96 TFLOPS

FP64 (Double Precision)

0.7392000000000001 TFLOPS No

CUDA Cores

2,816
🔥 +82% 5,120

RT Cores

No
🔥 80

Architecture & Compatibility

GPU Architecture

GCN 2.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 3.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

No
🔥 1,925

Boost Clock

No
🔥 2,340

Memory Clock

1,500
🔥 +33% 2,000

Power Consumption

TDP/TGP

🔥 -8% 275 W
300 W

Recommended PSU

🔥 -14% 600 W
700 W

Power Connector

1x 6-pin + 1x 8-pin 2x 8-pin

Rendering

Texture Units (TMU)

176
🔥 +82% 320

ROP

No
🔥 80

L2 Cache

1024 KB
🔥 4 MB

Additional

Slots

Dual-slot Triple-slot

Release Date

June 18, 2015 Oct. 28, 2020

Display Outputs

2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

1x HDMI 2.1
3x DisplayPort 1.4a

Renting is cheaper than buying