NVIDIA GeForce RTX 4080 Ti vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce RTX 4080 Ti

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock2610MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (678.4GB/s vs 106.0GB/s)

13760 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 400W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti +15341%

73.5 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

GeForce RTX 4080 Ti

VS

Radeon HD 2900 XT

Graphics Card

Unknown

Release Date

May 2007

GeForce 40

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2340 MHz

Base Clock

-

2610 MHz

Boost Clock

-

1325 MHz

Memory Clock

828 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

256bit

Memory Bus

512bit

678.4GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

110

SM Count

-

14080

Shading Units

320

440

TMUs

16

144

ROPs

16

440

Tensor Cores

-

110

RT Cores

-

128 KB (per SM)

L1 Cache

-

80 MB

L2 Cache

256 KB

-

Theoretical Performance

375.8 GPixel/s

Pixel Rate

11.89 GPixel/s

1148 GTexel/s

Texture Rate

11.89 GTexel/s

73.50 TFLOPS

FP16 (half)

-

73.50 TFLOPS

FP32 (float)

475.5 GFLOPS

1148 GFLOPS

FP64 (double)

-

Board Design

400W

TDP

215W

800 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

AD102

GPU Name

R600

AD102-225-A1

GPU Variant

R600 XT (215RGMDKA13FG)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

76.3 billion

Transistors

0.72 billion

609 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

8.9

CUDA

-

6.7

Shader Model

4.0

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