NVIDIA GeForce GTX 980 Ti vs ATI Radeon HD 4650

VS

NVIDIA GeForce GTX 980 Ti

ATI Radeon HD 4650

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti and 256MB VRAM Radeon HD 4650 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 9 months late

Boost Clock1076MHz

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (336.6GB/s vs 22.40GB/s)

2496 additional rendering cores

ATI Radeon HD 4650 's Advantages

Lower TDP (48W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +1478%

6.06 TFLOPS

Radeon HD 4650

0.384 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 4650

Graphics Card

Jun 2015

Release Date

Sep 2008

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

700 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

22.40GB/s

Render Config

-

Compute Units

4

-

2816

Shading Units

320

176

TMUs

32

96

ROPs

8

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

128 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

4.800 GPixel/s

189.4 GTexel/s

Texture Rate

19.20 GTexel/s

-

6.060 TFLOPS

FP32 (float)

384.0 GFLOPS

189.4 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

48W

600 W

Suggested PSU

200 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

-

Graphics Processor

GM200

GPU Name

RV730

GM200-310-A1

GPU Variant

RV730 PRO (215-0719056)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8 billion

Transistors

0.514 billion

601 mm²

Die Size

146 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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