AMD Radeon R9 285X vs AMD Radeon VII

VS

AMD Radeon R9 285X AMD Radeon VII

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 16GB VRAM Radeon VII 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 VII 's Advantages

Boost Clock1750MHz

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (1020GB/s vs 264.0GB/s)

1792 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 285X

4.104 TFLOPS

Radeon VII +227%

13.44 TFLOPS

Radeon R9 285X

VS

Radeon VII

Graphics Card

Unknown

Release Date

Feb 2019

Volcanic Islands

Generation

Vega II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1750 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

4096bit

264.0GB/s

Bandwidth

1020GB/s

Render Config

-

SM Count

-

32

Compute Units

60

2048

Shading Units

3840

128

TMUs

240

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

112.0 GPixel/s

128.3 GTexel/s

Texture Rate

420.0 GTexel/s

-

FP16 (half)

26.88 TFLOPS

4.104 TFLOPS

FP32 (float)

13.44 TFLOPS

-

FP64 (double)

3.360 TFLOPS

Graphics Processor

Tonga

GPU Name

Vega 20

Tonga XT (215-0851313)

GPU Variant

Vega 20 XT

GCN 3.0

Architecture

GCN 5.1

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

13.23 billion

366 mm²

Die Size

331 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

1.3

-

CUDA

-

6.3

Shader Model

6.7

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