AMD Radeon HD 7970 X2 vs NVIDIA GeForce RTX 4090

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Released 10 years and 1 months late

Boost Clock2520MHz

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (1.01TB/s vs 264.0GB/s)

14336 additional rendering cores

Lower TDP (450W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

GeForce RTX 4090 +2079%

82.58 TFLOPS

Radeon HD 7970 X2

VS

GeForce RTX 4090

Graphics Card

Aug 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

1375 MHz

Memory Clock

1313 MHz

Memory

3GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

384bit

264.0GB/s

Bandwidth

1.01TB/s

Render Config

32

Compute Units

-

SM Count

128

2048

Shading Units

16384

128

TMUs

512

32

ROPs

176

-

Tensor Cores

512

-

RT Cores

128

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

72 MB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

443.5 GPixel/s

118.4 GTexel/s

Texture Rate

1290 GTexel/s

-

FP16 (half)

82.58 TFLOPS

3.789 TFLOPS

FP32 (float)

82.58 TFLOPS

947.2 GFLOPS

FP64 (double)

1290 GFLOPS

Board Design

500W

TDP

450W

900 W

Suggested PSU

850 W

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

Outputs

1x HDMI 2.13x DisplayPort 1.4a

3x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

New Zealand

GPU Name

AD102

-

GPU Variant

AD102-300-A1

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

76.3 billion

352 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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