AMD Radeon Pro W6900X vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon Pro W6900X AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X 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 W6900X 's Advantages

Released 8 years and 4 months late

Boost Clock2150MHz

More VRAM (32GB vs 2GB)

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

4400 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +2084%

22.02 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon Pro W6900X

VS

Radeon HD 6770 Green Edition

Graphics Card

Aug 2021

Release Date

Apr 2013

Radeon Pro Mac

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2150 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

-

SM Count

-

80

Compute Units

9

5120

Shading Units

720

320

TMUs

36

128

ROPs

16

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

275.2 GPixel/s

Pixel Rate

11.20 GPixel/s

688.0 GTexel/s

Texture Rate

25.20 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

1008 GFLOPS

1376 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

Juniper

Navi 21 Pro-XTA

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

Board Design

300W

TDP

86W

700 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 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

-

CUDA

-

6.5

Shader Model

5.0

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