AMD Radeon RX 6900 XTX vs AMD Radeon RX 5500 XT

VS

AMD Radeon RX 6900 XTX AMD Radeon RX 5500 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 4GB VRAM Radeon RX 5500 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

Boost Clock has increased by 32% (2435MHz vs 1845MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (576.0GB/s vs 224.0GB/s)

3712 additional rendering cores

AMD Radeon RX 5500 XT 's Advantages

Lower TDP (130W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +379%

24.93 TFLOPS

Radeon RX 5500 XT

5.196 TFLOPS

Radeon RX 6900 XTX

VS

Radeon RX 5500 XT

Graphics Card

Unknown

Release Date

Dec 2019

Navi II

Generation

Navi

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2075 MHz

Base Clock

1607 MHz

2435 MHz

Boost Clock

1845 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

80

Compute Units

22

5120

Shading Units

1408

320

TMUs

88

128

ROPs

32

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

2 MB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

59.04 GPixel/s

779.2 GTexel/s

Texture Rate

162.4 GTexel/s

49.87 TFLOPS

FP16 (half)

10.39 TFLOPS

24.93 TFLOPS

FP32 (float)

5.196 TFLOPS

1.558 TFLOPS

FP64 (double)

324.7 GFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 14

Navi 21 XTXH (215-121000247)

GPU Variant

Navi 14 XTX (215-0932396)

RDNA 2.0

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

6.4 billion

520 mm²

Die Size

158 mm²

Board Design

330W

TDP

130W

700 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.5

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