NVIDIA GeForce RTX 3090 Ti vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce RTX 3090 Ti

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 Ti and 256MB VRAM Radeon HD 2900 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 Ti 's Advantages

Released 14 years and 2 months late

Boost Clock1860MHz

More VRAM (24GB vs 256GB)

Larger VRAM bandwidth (1008GB/s vs 51.20GB/s)

10512 additional rendering cores

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 Ti +13788%

40 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce RTX 3090 Ti

VS

Radeon HD 2900 GT

Graphics Card

Jan 2022

Release Date

Nov 2007

GeForce 30

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1560 MHz

Base Clock

-

1860 MHz

Boost Clock

-

1313 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

256MB

GDDR6X

Memory Type

GDDR3

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

84

SM Count

-

10752

Shading Units

240

336

TMUs

12

112

ROPs

12

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

-

6 MB

L2 Cache

128 KB

-

Theoretical Performance

208.3 GPixel/s

Pixel Rate

7.212 GPixel/s

625.0 GTexel/s

Texture Rate

7.212 GTexel/s

40.00 TFLOPS

FP16 (half)

-

40.00 TFLOPS

FP32 (float)

288.5 GFLOPS

625.0 GFLOPS

FP64 (double)

-

Board Design

450W

TDP

150W

850 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 8-pin

Graphics Processor

GA102

GPU Name

R600

GA102-350-A1

GPU Variant

R600 GT (215RGFDKA13FG)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

80 nm

28.3 billion

Transistors

0.72 billion

628 mm²

Die Size

420 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

4.0

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