AMD Radeon RX Vega 64 Limited Edition vs AMD Radeon RX 550X 640SP

VS

AMD Radeon RX Vega 64 Limited Edition

AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Limited Edition 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 Vega 64 Limited Edition 's Advantages

Boost Clock has increased by 44% (1546MHz vs 1071MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 96.00GB/s)

3456 additional rendering cores

AMD Radeon RX 550X 640SP 's Advantages

Released 8 months late

Lower TDP (60W vs 295W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Limited Edition +823%

12.66 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

Radeon RX Vega 64 Limited Edition

VS

Radeon RX 550X 640SP

Graphics Card

Aug 2017

Release Date

Apr 2018

Vega

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1247 MHz

Base Clock

1019 MHz

1546 MHz

Boost Clock

1071 MHz

945 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

128bit

483.8GB/s

Bandwidth

96.00GB/s

Render Config

64

Compute Units

10

-

4096

Shading Units

640

256

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

98.94 GPixel/s

Pixel Rate

17.14 GPixel/s

395.8 GTexel/s

Texture Rate

42.84 GTexel/s

25.33 TFLOPS

FP16 (half)

1371 GFLOPS

12.66 TFLOPS

FP32 (float)

1371 GFLOPS

791.6 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

295W

TDP

60W

600 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Vega 10

GPU Name

Baffin

Vega 10 XT (215-0894200)

GPU Variant

Baffin LE

GCN 5.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

12.5 billion

Transistors

3 billion

495 mm²

Die Size

123 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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