ATI Radeon HD 2900 XTX vs NVIDIA TITAN RTX

VS

ATI Radeon HD 2900 XTX

NVIDIA TITAN RTX

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 24GB VRAM TITAN RTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Lower TDP (240W vs 280W)

NVIDIA TITAN RTX 's Advantages

Boost Clock1770MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (672.0GB/s vs 106.0GB/s)

4288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

TITAN RTX +3326%

16.31 TFLOPS

Radeon HD 2900 XTX

VS

TITAN RTX

Graphics Card

Unknown

Release Date

Dec 2018

Radeon R600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1350 MHz

-

Boost Clock

1770 MHz

828 MHz

Memory Clock

1750 MHz

Memory

512MB

Memory Size

24GB

GDDR3

Memory Type

GDDR6

512bit

Memory Bus

384bit

106.0GB/s

Bandwidth

672.0GB/s

Render Config

4

Compute Units

-

SM Count

72

320

Shading Units

4608

16

TMUs

288

16

ROPs

96

-

Tensor Cores

576

-

RT Cores

72

-

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

169.9 GPixel/s

11.89 GTexel/s

Texture Rate

509.8 GTexel/s

-

FP16 (half)

32.62 TFLOPS

475.5 GFLOPS

FP32 (float)

16.31 TFLOPS

-

FP64 (double)

509.8 GFLOPS

Board Design

240W

TDP

280W

550 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

R600

GPU Name

TU102

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

TU102-400-A1

TeraScale

Architecture

Turing

TSMC

Foundry

TSMC

80 nm

Process Size

12 nm

0.72 billion

Transistors

18.6 billion

420 mm²

Die Size

754 mm²

Graphics Features

10.0 (10_0)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

4.0

Shader Model

6.6

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