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

VS

AMD Radeon HD 6770

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 11 years late

Boost Clock1665MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (760.3GB/s vs 76.80GB/s)

9440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770

1.36 TFLOPS

GeForce RTX 3080 Ti 20 GB +2407%

34.1 TFLOPS

Radeon HD 6770

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Jan 2011

Release Date

Jan 2022

Northern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1335 MHz

-

Boost Clock

1665 MHz

1200 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

20GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

320bit

76.80GB/s

Bandwidth

760.3GB/s

Render Config

10

Compute Units

-

SM Count

80

800

Shading Units

10240

40

TMUs

320

16

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

186.5 GPixel/s

34.00 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

1360 GFLOPS

FP32 (float)

34.10 TFLOPS

-

FP64 (double)

532.8 GFLOPS

Board Design

108W

TDP

350W

300 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 12-pin

Graphics Processor

Juniper

GPU Name

GA102

Juniper XT (215-0754013)

GPU Variant

GA102-225-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.04 billion

Transistors

28.3 billion

166 mm²

Die Size

628 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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