AMD Radeon 550X vs AMD Radeon RX 7900 GRE

VS

AMD Radeon 550X

AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 260W)

AMD Radeon RX 7900 GRE 's Advantages

Released 4 years and 4 months late

Boost Clock has increased by 84% (2245MHz vs 1218MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 112.0GB/s)

4608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X

1.247 TFLOPS

Radeon RX 7900 GRE +3587%

45.98 TFLOPS

Radeon 550X

VS

Radeon RX 7900 GRE

Graphics Card

Mar 2019

Release Date

Jul 2023

Polaris

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

1287 MHz

1218 MHz

Boost Clock

2245 MHz

1750 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

576.0GB/s

Render Config

8

Compute Units

80

-

512

Shading Units

5120

32

TMUs

320

16

ROPs

160

-

RT Cores

80

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

64 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

359.2 GPixel/s

38.98 GTexel/s

Texture Rate

718.4 GTexel/s

1247 GFLOPS

FP16 (half)

91.96 TFLOPS

1247 GFLOPS

FP32 (float)

45.98 TFLOPS

77.95 GFLOPS

FP64 (double)

1437 GFLOPS

Board Design

50W

TDP

260W

250 W

Suggested PSU

600 W

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

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Lexa

GPU Name

Navi 31

Lexa PRO (215-0904018)

GPU Variant

Navi 31 XL (215-145000206)

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

2.2 billion

Transistors

57.7 billion

103 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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