NVIDIA GeForce GTX 980 Ti vs ATI Radeon HD 4890

VS

NVIDIA GeForce GTX 980 Ti

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti and 1024MB VRAM Radeon HD 4890 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 6 years and 2 months late

Boost Clock1076MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 124.8GB/s)

2016 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +345%

6.06 TFLOPS

Radeon HD 4890

1.36 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 4890

Graphics Card

Jun 2015

Release Date

Apr 2009

GeForce 900

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1076 MHz

Boost Clock

-

1753 MHz

Memory Clock

975 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

-

2816

Shading Units

800

176

TMUs

40

96

ROPs

16

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

13.60 GPixel/s

189.4 GTexel/s

Texture Rate

34.00 GTexel/s

-

6.060 TFLOPS

FP32 (float)

1360 GFLOPS

189.4 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

250W

TDP

190W

600 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

GM200

GPU Name

RV790

GM200-310-A1

GPU Variant

RV790 XT (215-0758016)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8 billion

Transistors

0.959 billion

601 mm²

Die Size

282 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.1

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