AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce RTX 4090

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Released 10 years and 6 months late

Boost Clock2520MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 153.6GB/s)

15104 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

GeForce RTX 4090 +3125%

82.58 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce RTX 4090

Graphics Card

Mar 2012

Release Date

Sep 2022

Southern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1200 MHz

Memory Clock

1313 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

1.01TB/s

Render Config

20

Compute Units

-

SM Count

128

1280

Shading Units

16384

80

TMUs

512

32

ROPs

176

-

Tensor Cores

512

-

RT Cores

128

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

72 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

443.5 GPixel/s

80.00 GTexel/s

Texture Rate

1290 GTexel/s

-

FP16 (half)

82.58 TFLOPS

2.560 TFLOPS

FP32 (float)

82.58 TFLOPS

160.0 GFLOPS

FP64 (double)

1290 GFLOPS

Board Design

175W

TDP

450W

450 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.13x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

Pitcairn

GPU Name

AD102

Pitcairn XT (215-0828047)

GPU Variant

AD102-300-A1

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

2.8 billion

Transistors

76.3 billion

212 mm²

Die Size

609 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

8.9

5.1

Shader Model

6.8

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