AMD Radeon RX 6900 XTX vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 6900 XTX AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 143.9GB/s)

4096 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Boost Clock has increased by 16% (2815MHz vs 2435MHz)

Lower TDP (107W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +332%

24.93 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

Radeon RX 6900 XTX

VS

Radeon RX 6500 XT

Graphics Card

Unknown

Release Date

Jan 2022

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

2075 MHz

Base Clock

2310 MHz

2435 MHz

Boost Clock

2815 MHz

2250 MHz

Memory Clock

2248 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

143.9GB/s

Render Config

-

SM Count

-

80

Compute Units

16

5120

Shading Units

1024

320

TMUs

64

128

ROPs

32

-

Tensor Cores

-

80

RT Cores

16

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

1024 KB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

90.08 GPixel/s

779.2 GTexel/s

Texture Rate

180.2 GTexel/s

49.87 TFLOPS

FP16 (half)

11.53 TFLOPS

24.93 TFLOPS

FP32 (float)

5.765 TFLOPS

1.558 TFLOPS

FP64 (double)

360.3 GFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 24

Navi 21 XTXH (215-121000247)

GPU Variant

Navi 24 XT (215-135000006)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

26.8 billion

Transistors

5.4 billion

520 mm²

Die Size

107 mm²

Board Design

330W

TDP

107W

700 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.6

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