AMD Radeon 550X 640SP vs AMD Radeon R5 330 OEM

VS

AMD Radeon 550X 640SP

AMD Radeon R5 330 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 2GB VRAM Radeon R5 330 OEM 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 Clock has increased by 25% (1071MHz vs 855MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP +150%

1.371 TFLOPS

Radeon R5 330 OEM

0.547 TFLOPS

Radeon 550X 640SP

VS

Radeon R5 330 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

830 MHz

1071 MHz

Boost Clock

855 MHz

1500 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

5

-

640

Shading Units

320

40

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

6.840 GPixel/s

42.84 GTexel/s

Texture Rate

17.10 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

547.2 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Hainan

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.69 billion

103 mm²

Die Size

56 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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