AMD Radeon RX Vega 64 Liquid Cooling vs AMD Radeon 550X 640SP

VS

AMD Radeon RX Vega 64 Liquid Cooling

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Liquid Cooling and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 Liquid Cooling 's Advantages

Boost Clock has increased by 57% (1677MHz vs 1071MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (483.8GB/s vs 48.00GB/s)

3456 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 8 months late

Lower TDP (50W vs 345W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Liquid Cooling +902%

13.74 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX Vega 64 Liquid Cooling

VS

Radeon 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

1406 MHz

Base Clock

1019 MHz

1677 MHz

Boost Clock

1071 MHz

945 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

4GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

64bit

483.8GB/s

Bandwidth

48.00GB/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

256 KB

-

Theoretical Performance

107.3 GPixel/s

Pixel Rate

17.14 GPixel/s

429.3 GTexel/s

Texture Rate

42.84 GTexel/s

27.48 TFLOPS

FP16 (half)

1371 GFLOPS

13.74 TFLOPS

FP32 (float)

1371 GFLOPS

858.6 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

345W

TDP

50W

700 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

Lexa

Vega 10 XTX

GPU Variant

Lexa PRO (215-0904018)

GCN 5.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

12.5 billion

Transistors

2.2 billion

495 mm²

Die Size

103 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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