AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce RTX 3090 Ti

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce RTX 3090 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 24GB VRAM GeForce RTX 3090 Ti 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 450W)

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 9 years and 11 months late

Boost Clock1860MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1008GB/s vs 72.00GB/s)

10112 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition

1.28 TFLOPS

GeForce RTX 3090 Ti +3025%

40 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce RTX 3090 Ti

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

1560 MHz

-

Boost Clock

1860 MHz

1125 MHz

Memory Clock

1313 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

1008GB/s

Render Config

10

Compute Units

-

SM Count

84

640

Shading Units

10752

40

TMUs

336

16

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

208.3 GPixel/s

40.00 GTexel/s

Texture Rate

625.0 GTexel/s

-

FP16 (half)

40.00 TFLOPS

1280 GFLOPS

FP32 (float)

40.00 TFLOPS

80.00 GFLOPS

FP64 (double)

625.0 GFLOPS

Board Design

80W

TDP

450W

250 W

Suggested PSU

850 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 16-pin

Graphics Processor

Cape Verde

GPU Name

GA102

Cape Verde XT

GPU Variant

GA102-350-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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