NVIDIA GeForce RTX 3090 Ti vs AMD Radeon HD 8770 OEM

VS

NVIDIA GeForce RTX 3090 Ti

AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 Ti and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 8 years and 4 months late

Boost Clock1860MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (1008GB/s vs 96.00GB/s)

9856 additional rendering cores

AMD Radeon HD 8770 OEM 's Advantages

Lower TDP (85W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 Ti +2025%

40 TFLOPS

Radeon HD 8770 OEM

1.882 TFLOPS

GeForce RTX 3090 Ti

VS

Radeon HD 8770 OEM

Graphics Card

Jan 2022

Release Date

Sep 2013

GeForce 30

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1560 MHz

Base Clock

-

1860 MHz

Boost Clock

-

1313 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

128bit

1008GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

84

SM Count

-

10752

Shading Units

896

336

TMUs

56

112

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

208.3 GPixel/s

Pixel Rate

16.80 GPixel/s

625.0 GTexel/s

Texture Rate

58.80 GTexel/s

40.00 TFLOPS

FP16 (half)

-

40.00 TFLOPS

FP32 (float)

1.882 TFLOPS

625.0 GFLOPS

FP64 (double)

117.6 GFLOPS

Board Design

450W

TDP

85W

850 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GA102

GPU Name

Bonaire

GA102-350-A1

GPU Variant

Bonaire XT (215-0839039)

Ampere

Architecture

GCN 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.08 billion

628 mm²

Die Size

160 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.3

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