AMD Radeon RX 550X 640SP vs AMD Radeon R5 340X OEM

VS

AMD Radeon RX 550X 640SP

AMD Radeon R5 340X OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP and 2GB VRAM Radeon R5 340X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages

Released 2 years and 11 months late

Boost Clock1071MHz

Larger VRAM bandwidth (96.00GB/s vs 16.00GB/s)

256 additional rendering cores

Lower TDP (60W vs 65W)

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP +98%

1.371 TFLOPS

Radeon R5 340X OEM

0.691 TFLOPS

Radeon RX 550X 640SP

VS

Radeon R5 340X OEM

Graphics Card

Apr 2018

Release Date

May 2015

Polaris

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

16.00GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

7.200 GPixel/s

42.84 GTexel/s

Texture Rate

21.60 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

691.2 GFLOPS

85.68 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

60W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

Baffin

GPU Name

Oland

Baffin LE

GPU Variant

Oland XT (215-0837000)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

0.95 billion

123 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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