AMD Radeon RX 7800 vs AMD Radeon RX 550X 640SP

VS

AMD Radeon RX 7800 AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Released 4 years and 9 months late

Boost Clock has increased by 161% (2800MHz vs 1071MHz)

More VRAM (16GB vs 2GB)

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

3200 additional rendering cores

AMD Radeon RX 550X 640SP 's Advantages

Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +2622%

37.32 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

Radeon RX 7800

VS

Radeon RX 550X 640SP

Graphics Card

Jan 2023

Release Date

Apr 2018

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1800 MHz

Base Clock

1019 MHz

2800 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

-

SM Count

-

60

Compute Units

10

3840

Shading Units

640

240

TMUs

40

128

ROPs

16

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

Theoretical Performance

358.4 GPixel/s

Pixel Rate

17.14 GPixel/s

672.0 GTexel/s

Texture Rate

42.84 GTexel/s

86.02 TFLOPS

FP16 (half)

1371 GFLOPS

43.01 TFLOPS

FP32 (float)

1371 GFLOPS

1344 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

Navi 32

GPU Name

Baffin

Navi 32 XT

GPU Variant

Baffin LE

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

Unknown

Transistors

3 billion

346 mm²

Die Size

123 mm²

Board Design

300W

TDP

60W

700 W

Suggested PSU

250 W

1x HDMI 2.1a 3x DisplayPort 2.1

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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