AMD Radeon RX 6950 XT vs AMD Radeon RX 550 512SP

VS

AMD Radeon RX 6950 XT

AMD Radeon RX 550 512SP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT and 2GB VRAM Radeon RX 550 512SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6950 XT 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 116% (2310MHz vs 1071MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 96.00GB/s)

4608 additional rendering cores

AMD Radeon RX 550 512SP 's Advantages

Lower TDP (50W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +2055%

23.65 TFLOPS

Radeon RX 550 512SP

1.097 TFLOPS

Radeon RX 6950 XT

VS

Radeon RX 550 512SP

Graphics Card

May 2022

Release Date

Oct 2017

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1860 MHz

Base Clock

1019 MHz

2310 MHz

Boost Clock

1071 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

96.00GB/s

Render Config

80

Compute Units

8

-

5120

Shading Units

512

320

TMUs

32

128

ROPs

16

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

295.7 GPixel/s

Pixel Rate

17.14 GPixel/s

739.2 GTexel/s

Texture Rate

34.27 GTexel/s

47.31 TFLOPS

FP16 (half)

1097 GFLOPS

23.65 TFLOPS

FP32 (float)

1097 GFLOPS

1478 GFLOPS

FP64 (double)

68.54 GFLOPS

Board Design

335W

TDP

50W

700 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Baffin

Navi 21 KXTX (215-121000289)

GPU Variant

Baffin LE

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

3 billion

520 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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