NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon HD 6770 Green Edition

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB 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

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 8 years and 9 months late

Boost Clock1665MHz

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 21.34GB/s)

9520 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +3282%

34.1 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon HD 6770 Green Edition

Graphics Card

Jan 2022

Release Date

Apr 2013

GeForce 30

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

667 MHz

Memory

20GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR3

320bit

Memory Bus

128bit

760.3GB/s

Bandwidth

21.34GB/s

Render Config

-

Compute Units

9

80

SM Count

-

10240

Shading Units

720

320

TMUs

36

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

11.20 GPixel/s

532.8 GTexel/s

Texture Rate

25.20 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

1008 GFLOPS

532.8 GFLOPS

FP64 (double)

-

Board Design

350W

TDP

86W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

-

Graphics Processor

GA102

GPU Name

Juniper

GA102-225-A1

GPU Variant

Juniper LE (215-0754009)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

1.04 billion

628 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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