AMD Radeon Sky 700 vs AMD Radeon 550X

VS

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 112.0GB/s)

1280 additional rendering cores

AMD Radeon 550X 's Advantages

Released 6 years late

Boost Clock1218MHz

Lower TDP (50W vs 225W)

Score

Benchmark

FP32 (float)

Radeon Sky 700 +158%

3.226 TFLOPS

Radeon 550X

1.247 TFLOPS

Radeon Sky 700

VS

Radeon 550X

Graphics Card

Mar 2013

Release Date

Mar 2019

Radeon Sky

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

1375 MHz

Memory Clock

1750 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

112.0GB/s

Render Config

-

SM Count

-

28

Compute Units

8

1792

Shading Units

512

112

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

19.49 GPixel/s

100.8 GTexel/s

Texture Rate

38.98 GTexel/s

-

FP16 (half)

1247 GFLOPS

3.226 TFLOPS

FP32 (float)

1247 GFLOPS

806.4 GFLOPS

FP64 (double)

77.95 GFLOPS

Graphics Processor

Tahiti

GPU Name

Lexa

Tahiti PRO GL

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

2.2 billion

352 mm²

Die Size

103 mm²

Board Design

225W

TDP

50W

550 W

Suggested PSU

250 W

1x DisplayPort 1.2

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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