AMD Radeon RX 550 640SP vs AMD Radeon RX 6700 XT

VS

AMD Radeon RX 550 640SP

AMD Radeon RX 6700 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 230W)

AMD Radeon RX 6700 XT 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 141% (2581MHz vs 1071MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 96.00GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 6700 XT +863%

13.21 TFLOPS

Radeon RX 550 640SP

VS

Radeon RX 6700 XT

Graphics Card

Oct 2017

Release Date

Mar 2021

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

2321 MHz

1071 MHz

Boost Clock

2581 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

384.0GB/s

Render Config

10

Compute Units

40

-

640

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

165.2 GPixel/s

42.84 GTexel/s

Texture Rate

413.0 GTexel/s

1371 GFLOPS

FP16 (half)

26.43 TFLOPS

1371 GFLOPS

FP32 (float)

13.21 TFLOPS

85.68 GFLOPS

FP64 (double)

825.9 GFLOPS

Board Design

60W

TDP

230W

250 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Baffin

GPU Name

Navi 22

Baffin LE

GPU Variant

Navi 22 XT (215-127000006)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

3 billion

Transistors

17.2 billion

123 mm²

Die Size

335 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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