NVIDIA GeForce GTX TITAN vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce GTX TITAN

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN 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 GTX TITAN 's Advantages

Released 5 years and 9 months late

Boost Clock876MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (288.4GB/s vs 106.0GB/s)

2368 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN +889%

4.709 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX TITAN

VS

Radeon HD 2900 XT

Graphics Card

Feb 2013

Release Date

May 2007

GeForce 700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

836 MHz

Base Clock

-

876 MHz

Boost Clock

-

1502 MHz

Memory Clock

828 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

512bit

288.4GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

-

2688

Shading Units

320

224

TMUs

16

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

49.06 GPixel/s

Pixel Rate

11.89 GPixel/s

196.2 GTexel/s

Texture Rate

11.89 GTexel/s

-

4.709 TFLOPS

FP32 (float)

475.5 GFLOPS

1.570 TFLOPS

FP64 (double)

-

Board Design

250W

TDP

215W

600 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110

GPU Name

R600

GK110-400-A1

GPU Variant

R600 XT (215RGMDKA13FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

7.08 billion

Transistors

0.72 billion

561 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.0

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