AMD Radeon Pro W6800X Duo vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon Pro W6800X Duo

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 8 years and 4 months late

Boost Clock1967MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 21.34GB/s)

3120 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +1399%

15.11 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon HD 6770 Green Edition

Graphics Card

Aug 2021

Release Date

Apr 2013

Radeon Pro Mac

Generation

Northern Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

667 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

21.34GB/s

Render Config

60

Compute Units

9

-

3840

Shading Units

720

240

TMUs

36

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

11.20 GPixel/s

472.1 GTexel/s

Texture Rate

25.20 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

1008 GFLOPS

944.2 GFLOPS

FP64 (double)

-

Board Design

400W

TDP

86W

800 W

Suggested PSU

250 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

Juniper

Navi 21 Pro-XLA

GPU Variant

Juniper LE (215-0754009)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.04 billion

520 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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