NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon HD 6770

VS

NVIDIA GeForce RTX 3080 12 GB AMD Radeon HD 6770

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 12 GB 's Advantages

Released 11 years late

Boost Clock1710MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (912.4GB/s vs 76.80GB/s)

8160 additional rendering cores

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 12 GB +2152%

30.64 TFLOPS

Radeon HD 6770

1.36 TFLOPS

GeForce RTX 3080 12 GB

VS

Radeon HD 6770

Graphics Card

Jan 2022

Release Date

Jan 2011

GeForce 30

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1260 MHz

Base Clock

-

1710 MHz

Boost Clock

-

1188 MHz

Memory Clock

1200 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

912.4GB/s

Bandwidth

76.80GB/s

Render Config

70

SM Count

-

Compute Units

10

8960

Shading Units

800

280

TMUs

40

96

ROPs

16

280

Tensor Cores

-

70

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

5 MB

L2 Cache

256 KB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

13.60 GPixel/s

478.8 GTexel/s

Texture Rate

34.00 GTexel/s

30.64 TFLOPS

FP16 (half)

-

30.64 TFLOPS

FP32 (float)

1360 GFLOPS

478.8 GFLOPS

FP64 (double)

-

Graphics Processor

GA102

GPU Name

Juniper

GA102-220-A1

GPU Variant

Juniper XT (215-0754013)

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

Board Design

350W

TDP

108W

750 W

Suggested PSU

300 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

1x 6-pin

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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