AMD Radeon HD 7950 vs NVIDIA GeForce RTX 4090 D

VS

AMD Radeon HD 7950

NVIDIA GeForce RTX 4090 D

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 24GB VRAM GeForce RTX 4090 D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 425W)

NVIDIA GeForce RTX 4090 D 's Advantages

Released 11 years and 11 months late

Boost Clock2520MHz

More VRAM (24GB vs 3GB)

Larger VRAM bandwidth (1008GB/s vs 240.0GB/s)

12800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

GeForce RTX 4090 D +2465%

73.54 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

GeForce RTX 4090 D +1690%

34332

Radeon HD 7950

VS

GeForce RTX 4090 D

Graphics Card

Jan 2012

Release Date

Dec 2023

Southern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2280 MHz

-

Boost Clock

2520 MHz

1250 MHz

Memory Clock

1313 MHz

Memory

3GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

1008GB/s

Render Config

28

Compute Units

-

SM Count

114

1792

Shading Units

14592

112

TMUs

456

32

ROPs

176

-

Tensor Cores

456

-

RT Cores

114

16 KB (per CU)

L1 Cache

128 KB (per SM)

768 KB

L2 Cache

72 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

443.5 GPixel/s

89.60 GTexel/s

Texture Rate

1149 GTexel/s

-

FP16 (half)

73.54 TFLOPS

2.867 TFLOPS

FP32 (float)

73.54 TFLOPS

716.8 GFLOPS

FP64 (double)

1149 GFLOPS

Board Design

200W

TDP

425W

550 W

Suggested PSU

800 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

Tahiti

GPU Name

AD102

Tahiti PRO (215-0821056)

GPU Variant

AD102-250-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

6.7

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