AMD Radeon RX 6900 XTX vs AMD Radeon Pro V520

VS

AMD Radeon RX 6900 XTX

AMD Radeon Pro V520

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 8GB VRAM Radeon Pro V520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock has increased by 52% (2435MHz vs 1600MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 512.0GB/s)

2816 additional rendering cores

AMD Radeon Pro V520 's Advantages

Lower TDP (225W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +238%

24.93 TFLOPS

Radeon Pro V520

7.373 TFLOPS

Radeon RX 6900 XTX

VS

Radeon Pro V520

Graphics Card

Unknown

Release Date

Dec 2020

Navi II

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2075 MHz

Base Clock

1000 MHz

2435 MHz

Boost Clock

1600 MHz

2250 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

256bit

Memory Bus

2048bit

576.0GB/s

Bandwidth

512.0GB/s

Render Config

80

Compute Units

36

-

5120

Shading Units

2304

320

TMUs

144

128

ROPs

64

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

4 MB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

102.4 GPixel/s

779.2 GTexel/s

Texture Rate

230.4 GTexel/s

49.87 TFLOPS

FP16 (half)

14.75 TFLOPS

24.93 TFLOPS

FP32 (float)

7.373 TFLOPS

1.558 TFLOPS

FP64 (double)

460.8 GFLOPS

Board Design

330W

TDP

225W

700 W

Suggested PSU

550 W

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

Outputs

No outputs

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

Navi 12

Navi 21 XTXH (215-121000247)

GPU Variant

Navi 12

RDNA 2.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

Unknown

520 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.5

Shader Model

6.5

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