NVIDIA GeForce RTX 4080 vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce RTX 4080 ATI Radeon HD 2900 XTX

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

Main Differences

NVIDIA GeForce RTX 4080 's Advantages

Boost Clock2505MHz

Larger VRAM bandwidth (716.8GB/s vs 106.0GB/s)

9408 additional rendering cores

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +10139%

48.74 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce RTX 4080

VS

Radeon HD 2900 XTX

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

828 MHz

Memory

16GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR3

256bit

Memory Bus

512bit

716.8GB/s

Bandwidth

106.0GB/s

Render Config

76

SM Count

-

Compute Units

4

9728

Shading Units

320

304

TMUs

16

112

ROPs

16

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

-

64 MB

L2 Cache

256 KB

Theoretical Performance

280.6 GPixel/s

Pixel Rate

11.89 GPixel/s

761.5 GTexel/s

Texture Rate

11.89 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

475.5 GFLOPS

761.5 GFLOPS

FP64 (double)

-

Graphics Processor

AD103

GPU Name

R600

AD103-300-A1

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

45.9 billion

Transistors

0.72 billion

379 mm²

Die Size

420 mm²

Board Design

320W

TDP

240W

700 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

2x 6-pin

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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