AMD Radeon VII vs ATI Radeon HD 3850 X3

VS

AMD Radeon VII

ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 16GB VRAM Radeon VII and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon VII 's Advantages

Boost Clock1750MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (1020GB/s vs 54.40GB/s)

3520 additional rendering cores

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 295W)

Score

Benchmark

FP32 (float)

Radeon VII +3040%

13.44 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

Radeon VII

VS

Radeon HD 3850 X3

Graphics Card

Feb 2019

Release Date

Unknown

Vega II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1400 MHz

Base Clock

-

1750 MHz

Boost Clock

-

1000 MHz

Memory Clock

850 MHz

Memory

16GB

Memory Size

512MB

HBM2

Memory Type

GDDR3

4096bit

Memory Bus

256bit

1020GB/s

Bandwidth

54.40GB/s

Render Config

60

Compute Units

4

-

3840

Shading Units

320

240

TMUs

16

64

ROPs

16

-

16 KB (per CU)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

112.0 GPixel/s

Pixel Rate

10.70 GPixel/s

420.0 GTexel/s

Texture Rate

10.70 GTexel/s

26.88 TFLOPS

FP16 (half)

-

13.44 TFLOPS

FP32 (float)

428.2 GFLOPS

3.360 TFLOPS

FP64 (double)

-

Board Design

295W

TDP

145W

600 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

4x DVI

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Vega 20

GPU Name

RV670

Vega 20 XT

GPU Variant

RV670 PRO (215-0708003)

GCN 5.1

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

13.23 billion

Transistors

0.666 billion

331 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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