ATI Radeon HD 3850 X3 vs AMD Radeon RX Vega 56

VS

ATI Radeon HD 3850 X3

AMD Radeon RX Vega 56

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 8GB VRAM Radeon RX Vega 56 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 210W)

AMD Radeon RX Vega 56 's Advantages

Boost Clock1471MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (409.6GB/s vs 54.40GB/s)

3264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon RX Vega 56 +2362%

10.54 TFLOPS

Radeon HD 3850 X3

VS

Radeon RX Vega 56

Graphics Card

Unknown

Release Date

Aug 2017

Radeon R600

Generation

Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1156 MHz

-

Boost Clock

1471 MHz

850 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

8GB

GDDR3

Memory Type

HBM2

256bit

Memory Bus

2048bit

54.40GB/s

Bandwidth

409.6GB/s

Render Config

4

Compute Units

56

-

320

Shading Units

3584

16

TMUs

224

16

ROPs

64

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

94.14 GPixel/s

10.70 GTexel/s

Texture Rate

329.5 GTexel/s

-

FP16 (half)

21.09 TFLOPS

428.2 GFLOPS

FP32 (float)

10.54 TFLOPS

-

FP64 (double)

659.0 GFLOPS

Board Design

145W

TDP

210W

300 W

Suggested PSU

550 W

4x DVI

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

Vega 10

RV670 PRO (215-0708003)

GPU Variant

Vega 10 XL (215-0894216)

TeraScale

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

12.5 billion

192 mm²

Die Size

495 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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