AMD Radeon Sky 900 vs AMD Radeon RX Vega 64

VS

AMD Radeon Sky 900

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 8GB VRAM Radeon RX Vega 64 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 's Advantages

Released 4 years and 5 months late

Boost Clock has increased by 63% (1546MHz vs 950MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (483.8GB/s vs 240.0GB/s)

2304 additional rendering cores

Lower TDP (295W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900

3.405 TFLOPS

Radeon RX Vega 64 +271%

12.66 TFLOPS

Radeon Sky 900

VS

Radeon RX Vega 64

Graphics Card

Mar 2013

Release Date

Aug 2017

Radeon Sky

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

825 MHz

Base Clock

1247 MHz

950 MHz

Boost Clock

1546 MHz

1250 MHz

Memory Clock

945 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

240.0GB/s

Bandwidth

483.8GB/s

Render Config

28

Compute Units

64

-

1792

Shading Units

4096

112

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

98.94 GPixel/s

106.4 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

3.405 TFLOPS

FP32 (float)

12.66 TFLOPS

851.2 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

300W

TDP

295W

700 W

Suggested PSU

600 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Vega 10

Orthrus

GPU Variant

Vega 10 XT (215-0894200)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

12.5 billion

352 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

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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