AMD Radeon RX 550 512SP vs AMD Radeon RX 7990 XTX

VS

AMD Radeon RX 550 512SP

AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages

Lower TDP (50W vs 405W)

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 236% (3599MHz vs 1071MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1152GB/s vs 96.00GB/s)

5632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP

1.097 TFLOPS

Radeon RX 7990 XTX +7962%

88.45 TFLOPS

Radeon RX 550 512SP

VS

Radeon RX 7990 XTX

Graphics Card

Oct 2017

Release Date

Unknown

Polaris

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

2500 MHz

1071 MHz

Boost Clock

3599 MHz

1500 MHz

Memory Clock

3000 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

1152GB/s

Render Config

8

Compute Units

96

-

512

Shading Units

6144

32

TMUs

384

16

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

-

L3 Cache

192 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

691.0 GPixel/s

34.27 GTexel/s

Texture Rate

1382 GTexel/s

1097 GFLOPS

FP16 (half)

176.9 TFLOPS

1097 GFLOPS

FP32 (float)

88.45 TFLOPS

68.54 GFLOPS

FP64 (double)

2.764 TFLOPS

Board Design

50W

TDP

405W

250 W

Suggested PSU

800 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

3x 8-pin

Graphics Processor

Baffin

GPU Name

Navi 31

Baffin LE

GPU Variant

Navi 31 XTX+

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

3 billion

Transistors

57.7 billion

123 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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