AMD Radeon RX 7950 XT vs AMD Radeon RX 550 640SP

VS

AMD Radeon RX 7950 XT AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 XT and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 180% (3000MHz vs 1071MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 96.00GB/s)

4736 additional rendering cores

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +4605%

64.51 TFLOPS

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 7950 XT

VS

Radeon RX 550 640SP

Graphics Card

Unknown

Release Date

Oct 2017

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

1019 MHz

3000 MHz

Boost Clock

1071 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

84

Compute Units

10

5376

Shading Units

640

336

TMUs

40

192

ROPs

16

-

Tensor Cores

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

576.0 GPixel/s

Pixel Rate

17.14 GPixel/s

1008 GTexel/s

Texture Rate

42.84 GTexel/s

129.0 TFLOPS

FP16 (half)

1371 GFLOPS

64.51 TFLOPS

FP32 (float)

1371 GFLOPS

2.016 TFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

Navi 31

GPU Name

Baffin

Navi 31 XT+

GPU Variant

Baffin LE

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

3 billion

529 mm²

Die Size

123 mm²

Board Design

300W

TDP

60W

700 W

Suggested PSU

250 W

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

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

6.4

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