AMD Radeon RX 460 1024SP vs AMD Radeon 550X 640SP

VS

AMD Radeon RX 460 1024SP

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP 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 460 1024SP 's Advantages

Boost Clock has increased by 12% (1200MHz vs 1071MHz)

Larger VRAM bandwidth (112.0GB/s vs 48.00GB/s)

384 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 1 years and 3 months late

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP +79%

2.458 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 460 1024SP

VS

Radeon 550X 640SP

Graphics Card

Jan 2017

Release Date

Apr 2018

Arctic Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1090 MHz

Base Clock

1019 MHz

1200 MHz

Boost Clock

1071 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

48.00GB/s

Render Config

16

Compute Units

10

-

1024

Shading Units

640

64

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

17.14 GPixel/s

76.80 GTexel/s

Texture Rate

42.84 GTexel/s

2.458 TFLOPS

FP16 (half)

1371 GFLOPS

2.458 TFLOPS

FP32 (float)

1371 GFLOPS

153.6 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

75W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

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

None

Power Connectors

None

Graphics Processor

Baffin

GPU Name

Lexa

Baffin XT

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

3 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

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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