NVIDIA GeForce RTX 3090 Ti vs AMD Radeon HD 7870 GHz Edition

VS

NVIDIA GeForce RTX 3090 Ti

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 Ti and 2GB VRAM Radeon HD 7870 GHz Edition 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 9 years and 10 months late

Boost Clock1860MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1008GB/s vs 153.6GB/s)

9472 additional rendering cores

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 Ti +1462%

40 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

GeForce RTX 3090 Ti

VS

Radeon HD 7870 GHz Edition

Graphics Card

Jan 2022

Release Date

Mar 2012

GeForce 30

Generation

Southern 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

1200 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

84

SM Count

-

10752

Shading Units

1280

336

TMUs

80

112

ROPs

32

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

-

Theoretical Performance

208.3 GPixel/s

Pixel Rate

32.00 GPixel/s

625.0 GTexel/s

Texture Rate

80.00 GTexel/s

40.00 TFLOPS

FP16 (half)

-

40.00 TFLOPS

FP32 (float)

2.560 TFLOPS

625.0 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

450W

TDP

175W

850 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

GA102

GPU Name

Pitcairn

GA102-350-A1

GPU Variant

Pitcairn XT (215-0828047)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.8 billion

628 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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