ATI Radeon HD 2900 XTX vs NVIDIA GeForce GTX 1080 Ti

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce GTX 1080 Ti

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 11GB VRAM GeForce GTX 1080 Ti 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 250W)

NVIDIA GeForce GTX 1080 Ti 's Advantages

Boost Clock1582MHz

More VRAM (11GB vs 512GB)

Larger VRAM bandwidth (484.4GB/s vs 106.0GB/s)

3264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 1080 Ti +2282%

11.34 TFLOPS

Radeon HD 2900 XTX

VS

GeForce GTX 1080 Ti

Graphics Card

Unknown

Release Date

Mar 2017

Radeon R600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1481 MHz

-

Boost Clock

1582 MHz

828 MHz

Memory Clock

1376 MHz

Memory

512MB

Memory Size

11GB

GDDR3

Memory Type

GDDR5X

512bit

Memory Bus

352bit

106.0GB/s

Bandwidth

484.4GB/s

Render Config

4

Compute Units

-

SM Count

28

320

Shading Units

3584

16

TMUs

224

16

ROPs

88

-

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

0 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

139.2 GPixel/s

11.89 GTexel/s

Texture Rate

354.4 GTexel/s

-

FP16 (half)

177.2 GFLOPS

475.5 GFLOPS

FP32 (float)

11.34 TFLOPS

-

FP64 (double)

354.4 GFLOPS

Board Design

240W

TDP

250W

550 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

GP102

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

GP102-350-K1-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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