AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce RTX 3080 Ti 20 GB

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition 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 7770 GHz Edition 's Advantages

Lower TDP (80W vs 350W)

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 9 years and 11 months late

Boost Clock1665MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (760.3GB/s vs 72.00GB/s)

9600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce RTX 3080 Ti 20 GB +2564%

34.1 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce RTX 3080 Ti 20 GB

Graphics Card

Feb 2012

Release Date

Jan 2022

Southern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1335 MHz

-

Boost Clock

1665 MHz

1125 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

20GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

320bit

72.00GB/s

Bandwidth

760.3GB/s

Render Config

10

Compute Units

-

SM Count

80

640

Shading Units

10240

40

TMUs

320

16

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

186.5 GPixel/s

40.00 GTexel/s

Texture Rate

532.8 GTexel/s

-

FP16 (half)

34.10 TFLOPS

1280 GFLOPS

FP32 (float)

34.10 TFLOPS

80.00 GFLOPS

FP64 (double)

532.8 GFLOPS

Board Design

80W

TDP

350W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 12-pin

Graphics Processor

Cape Verde

GPU Name

GA102

Cape Verde XT

GPU Variant

GA102-225-A1

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.5 billion

Transistors

28.3 billion

123 mm²

Die Size

628 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.6

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