ATI Radeon HD 3850 X3 vs AMD Radeon Pro Duo

VS

ATI Radeon HD 3850 X3

AMD Radeon Pro Duo

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 4GB VRAM Radeon Pro Duo 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 350W)

AMD Radeon Pro Duo 's Advantages

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 54.40GB/s)

3776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon Pro Duo +1814%

8.192 TFLOPS

Radeon HD 3850 X3

VS

Radeon Pro Duo

Graphics Card

Unknown

Release Date

Apr 2016

Radeon R600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

850 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

HBM

256bit

Memory Bus

4096bit

54.40GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

64

-

320

Shading Units

4096

16

TMUs

256

16

ROPs

64

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

64.00 GPixel/s

10.70 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

428.2 GFLOPS

FP32 (float)

8.192 TFLOPS

-

FP64 (double)

512.0 GFLOPS

Board Design

145W

TDP

350W

300 W

Suggested PSU

750 W

4x DVI

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

RV670

GPU Name

Capsaicin

RV670 PRO (215-0708003)

GPU Variant

Capsaicin XT

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

8.9 billion

192 mm²

Die Size

596 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.0

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