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

VS

AMD Radeon R5 340X OEM

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM 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 550X 640SP 's Advantages

Released 2 years and 11 months late

Boost Clock1071MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (48.00GB/s vs 16.00GB/s)

256 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon 550X 640SP +98%

1.371 TFLOPS

Radeon R5 340X OEM

VS

Radeon 550X 640SP

Graphics Card

May 2015

Release Date

Apr 2018

Pirate Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1000 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

48.00GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

640

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

17.14 GPixel/s

21.60 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

691.2 GFLOPS

FP32 (float)

1371 GFLOPS

43.20 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

65W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

Lexa

Oland XT (215-0837000)

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

2.2 billion

77 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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