AMD Radeon R9 285X vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon R9 285X AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 8GB VRAM Radeon RX Vega 64 Limited Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 295W)

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Boost Clock1546MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (483.8GB/s vs 264.0GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

Radeon RX Vega 64 Limited Edition +208%

12.66 TFLOPS

Radeon R9 285X

VS

Radeon RX Vega 64 Limited Edition

Graphics Card

Unknown

Release Date

Aug 2017

Volcanic Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

1375 MHz

Memory Clock

945 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

264.0GB/s

Bandwidth

483.8GB/s

Render Config

-

SM Count

-

32

Compute Units

64

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

98.94 GPixel/s

128.3 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

4.104 TFLOPS

FP32 (float)

12.66 TFLOPS

-

FP64 (double)

791.6 GFLOPS

Graphics Processor

Tonga

GPU Name

Vega 10

Tonga XT (215-0851313)

GPU Variant

Vega 10 XT (215-0894200)

GCN 3.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

12.5 billion

366 mm²

Die Size

495 mm²

Board Design

200W

TDP

295W

550 W

Suggested PSU

600 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.4

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