NVIDIA GeForce GTX 980 Ti vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce GTX 980 Ti

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 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 GTX 980 Ti 's Advantages

Released 8 years and 1 months late

Boost Clock1076MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 106.0GB/s)

2496 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +1173%

6.06 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 2900 XT

Graphics Card

Jun 2015

Release Date

May 2007

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1076 MHz

Boost Clock

-

1753 MHz

Memory Clock

828 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

512bit

336.6GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

-

2816

Shading Units

320

176

TMUs

16

96

ROPs

16

-

48 KB (per SMM)

L1 Cache

-

3 MB

L2 Cache

256 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

11.89 GPixel/s

189.4 GTexel/s

Texture Rate

11.89 GTexel/s

-

6.060 TFLOPS

FP32 (float)

475.5 GFLOPS

189.4 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

215W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM200

GPU Name

R600

GM200-310-A1

GPU Variant

R600 XT (215RGMDKA13FG)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

8 billion

Transistors

0.72 billion

601 mm²

Die Size

420 mm²

Graphics Features

12 (12_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.0

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