AMD Radeon RX 550 640SP vs AMD Radeon RX 7700

VS

AMD Radeon RX 550 640SP AMD Radeon RX 7700

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 12GB VRAM Radeon RX 7700 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 200W)

AMD Radeon RX 7700 's Advantages

Released 5 years and 3 months late

Boost Clock has increased by 143% (2600MHz vs 1071MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 96.00GB/s)

2432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 7700 +2230%

31.95 TFLOPS

Radeon RX 550 640SP

VS

Radeon RX 7700

Graphics Card

Oct 2017

Release Date

Jan 2023

Polaris

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

1900 MHz

1071 MHz

Boost Clock

2600 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

432.0GB/s

Render Config

-

SM Count

-

10

Compute Units

48

640

Shading Units

3072

40

TMUs

192

16

ROPs

96

-

Tensor Cores

-

RT Cores

48

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

249.6 GPixel/s

42.84 GTexel/s

Texture Rate

499.2 GTexel/s

1371 GFLOPS

FP16 (half)

63.90 TFLOPS

1371 GFLOPS

FP32 (float)

31.95 TFLOPS

85.68 GFLOPS

FP64 (double)

998.4 GFLOPS

Graphics Processor

Baffin

GPU Name

Navi 32

Baffin LE

GPU Variant

Navi 32

GCN 4.0

Architecture

RDNA 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

3 billion

Transistors

Unknown

123 mm²

Die Size

346 mm²

Board Design

60W

TDP

200W

250 W

Suggested PSU

550 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

1x 8-pin

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

-

CUDA

-

6.4

Shader Model

6.7

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