ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 980 Ti

VS

ATI Radeon HD 2900 XT

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 6GB VRAM GeForce GTX 980 Ti 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 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

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX 980 Ti +1173%

6.06 TFLOPS

Radeon HD 2900 XT

VS

GeForce GTX 980 Ti

Graphics Card

May 2007

Release Date

Jun 2015

Radeon R600

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1076 MHz

828 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

6GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

384bit

106.0GB/s

Bandwidth

336.6GB/s

Render Config

4

Compute Units

-

320

Shading Units

2816

16

TMUs

176

16

ROPs

96

-

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

103.3 GPixel/s

11.89 GTexel/s

Texture Rate

189.4 GTexel/s

-

475.5 GFLOPS

FP32 (float)

6.060 TFLOPS

-

FP64 (double)

189.4 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

GM200

R600 XT (215RGMDKA13FG)

GPU Variant

GM200-310-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

8 billion

420 mm²

Die Size

601 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

5.2

4.0

Shader Model

6.4

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