AMD Radeon HD 6950 vs NVIDIA GeForce RTX 4090

VS

AMD Radeon HD 6950

NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 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 6950 's Advantages

Lower TDP (200W vs 450W)

NVIDIA GeForce RTX 4090 's Advantages

Released 11 years and 9 months late

Boost Clock2520MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (1.01TB/s vs 160.0GB/s)

14976 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950

2.253 TFLOPS

GeForce RTX 4090 +3565%

82.58 TFLOPS

Radeon HD 6950

VS

GeForce RTX 4090

Graphics Card

Dec 2010

Release Date

Sep 2022

Northern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1250 MHz

Memory Clock

1313 MHz

Memory

2GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

384bit

160.0GB/s

Bandwidth

1.01TB/s

Render Config

22

Compute Units

-

SM Count

128

1408

Shading Units

16384

88

TMUs

512

32

ROPs

176

-

Tensor Cores

512

-

RT Cores

128

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

72 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

443.5 GPixel/s

70.40 GTexel/s

Texture Rate

1290 GTexel/s

-

FP16 (half)

82.58 TFLOPS

2.253 TFLOPS

FP32 (float)

82.58 TFLOPS

563.2 GFLOPS

FP64 (double)

1290 GFLOPS

Board Design

200W

TDP

450W

550 W

Suggested PSU

850 W

2x 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

Cayman

GPU Name

AD102

Cayman PRO (215-0807019)

GPU Variant

AD102-300-A1

TeraScale 3

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

2.64 billion

Transistors

76.3 billion

389 mm²

Die Size

609 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

5.0

Shader Model

6.8

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