NVIDIA GeForce GTX 980 vs ATI Radeon HD 3870 AGP

VS

NVIDIA GeForce GTX 980

ATI Radeon HD 3870 AGP

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 512MB VRAM Radeon HD 3870 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Boost Clock1216MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 72.06GB/s)

1728 additional rendering cores

ATI Radeon HD 3870 AGP 's Advantages

Lower TDP (106W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +902%

4.981 TFLOPS

Radeon HD 3870 AGP

0.497 TFLOPS

GeForce GTX 980

VS

Radeon HD 3870 AGP

Graphics Card

Sep 2014

Release Date

Unknown

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

1127 MHz

Base Clock

-

1216 MHz

Boost Clock

-

1753 MHz

Memory Clock

1126 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

64

ROPs

16

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

12.43 GPixel/s

155.6 GTexel/s

Texture Rate

12.43 GTexel/s

-

4.981 TFLOPS

FP32 (float)

497.3 GFLOPS

155.6 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

165W

TDP

106W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GM204

GPU Name

RV670

GM204-400-A1

GPU Variant

RV670 XT (215-0708005)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5.2 billion

Transistors

0.666 billion

398 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

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

4.1

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