NVIDIA GeForce RTX 5090 vs AMD Radeon HD 7950

VS

NVIDIA GeForce RTX 5090

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 's Advantages

Released 13 years late

Boost Clock2520MHz

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (1.52TB/s vs 240.0GB/s)

19968 additional rendering cores

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +3726%

109.7 TFLOPS

Radeon HD 7950

2.867 TFLOPS

GeForce RTX 5090

VS

Radeon HD 7950

Graphics Card

Jan 2025

Release Date

Jan 2012

GeForce 50

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1875 MHz

Memory Clock

1250 MHz

Memory

32GB

Memory Size

3GB

GDDR7

Memory Type

GDDR5

512bit

Memory Bus

384bit

1.52TB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

170

SM Count

-

21760

Shading Units

1792

680

TMUs

112

192

ROPs

32

680

Tensor Cores

-

170

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

88 MB

L2 Cache

768 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

25.60 GPixel/s

1714 GTexel/s

Texture Rate

89.60 GTexel/s

109.7 TFLOPS

FP16 (half)

-

109.7 TFLOPS

FP32 (float)

2.867 TFLOPS

1.714 TFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

500W

TDP

200W

900 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

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

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

GB202

GPU Name

Tahiti

GB202-400-A1

GPU Variant

Tahiti PRO (215-0821056)

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

4.313 billion

Unknown

Die Size

352 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

10.1

CUDA

-

6.8

Shader Model

5.1

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