AMD Radeon RX 7950 XTX vs AMD Radeon RX 550X 640SP

VS

AMD Radeon RX 7950 XTX AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7950 XTX 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 7950 XTX 's Advantages

Boost Clock has increased by 208% (3300MHz vs 1071MHz)

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 96.00GB/s)

5504 additional rendering cores

AMD Radeon RX 550X 640SP 's Advantages

Lower TDP (60W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XTX +5815%

81.1 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

Radeon RX 7950 XTX

VS

Radeon RX 550X 640SP

Graphics Card

Unknown

Release Date

Apr 2018

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2200 MHz

Base Clock

1019 MHz

3300 MHz

Boost Clock

1071 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

960.0GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

96

Compute Units

10

6144

Shading Units

640

384

TMUs

40

192

ROPs

16

-

Tensor Cores

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

Theoretical Performance

633.6 GPixel/s

Pixel Rate

17.14 GPixel/s

1267 GTexel/s

Texture Rate

42.84 GTexel/s

162.2 TFLOPS

FP16 (half)

1371 GFLOPS

81.10 TFLOPS

FP32 (float)

1371 GFLOPS

2.534 TFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

Navi 31

GPU Name

Baffin

Navi 31 XTX+

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

355W

TDP

60W

750 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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