ATI Radeon HD 2900 XT vs NVIDIA TITAN X Pascal

VS

ATI Radeon HD 2900 XT

NVIDIA TITAN X Pascal

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 250W)

NVIDIA TITAN X Pascal 's Advantages

Released 9 years and 3 months late

Boost Clock1531MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (480.4GB/s vs 106.0GB/s)

3264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

TITAN X Pascal +2204%

10.97 TFLOPS

Radeon HD 2900 XT

VS

TITAN X Pascal

Graphics Card

May 2007

Release Date

Aug 2016

Radeon R600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1531 MHz

828 MHz

Memory Clock

1251 MHz

Memory

512MB

Memory Size

12GB

GDDR3

Memory Type

GDDR5X

512bit

Memory Bus

384bit

106.0GB/s

Bandwidth

480.4GB/s

Render Config

4

Compute Units

-

SM Count

28

320

Shading Units

3584

16

TMUs

224

16

ROPs

96

-

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

147.0 GPixel/s

11.89 GTexel/s

Texture Rate

342.9 GTexel/s

-

FP16 (half)

171.5 GFLOPS

475.5 GFLOPS

FP32 (float)

10.97 TFLOPS

-

FP64 (double)

342.9 GFLOPS

Board Design

215W

TDP

250W

550 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

GP102

R600 XT (215RGMDKA13FG)

GPU Variant

GP102-400-A1

TeraScale

Architecture

Pascal

TSMC

Foundry

TSMC

80 nm

Process Size

16 nm

0.72 billion

Transistors

11.8 billion

420 mm²

Die Size

471 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

4.0

Shader Model

6.4

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