NVIDIA GeForce RTX 4090 vs ATI Radeon HD 2950 PRO

VS

NVIDIA GeForce RTX 4090

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock2520MHz

More VRAM (24GB vs 256GB)

Larger VRAM bandwidth (1.01TB/s vs 38.40GB/s)

16064 additional rendering cores

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +21405%

82.58 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

GeForce RTX 4090

VS

Radeon HD 2950 PRO

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1313 MHz

Memory Clock

600 MHz

Memory

24GB

Memory Size

256MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

256bit

1.01TB/s

Bandwidth

38.40GB/s

Render Config

-

Compute Units

4

128

SM Count

-

16384

Shading Units

320

512

TMUs

16

176

ROPs

16

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

-

72 MB

L2 Cache

256 KB

-

Theoretical Performance

443.5 GPixel/s

Pixel Rate

9.600 GPixel/s

1290 GTexel/s

Texture Rate

9.600 GTexel/s

82.58 TFLOPS

FP16 (half)

-

82.58 TFLOPS

FP32 (float)

384.0 GFLOPS

1290 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

450W

TDP

75W

850 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD102

GPU Name

RV670

AD102-300-A1

GPU Variant

RV670 PRO ES (215-0708001)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

76.3 billion

Transistors

0.666 billion

609 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.8

Shader Model

4.1

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