NVIDIA GeForce GTX 980 vs NVIDIA GeForce 8400 GS

VS

NVIDIA GeForce GTX 980

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Released 7 years and 5 months late

Boost Clock1216MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (224.4GB/s vs 6.400GB/s)

2032 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 +17075%

4.981 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

GeForce GTX 980

VS

GeForce 8400 GS

Graphics Card

Sep 2014

Release Date

Apr 2007

GeForce 900

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1127 MHz

Base Clock

-

1216 MHz

Boost Clock

-

1753 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

224.4GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

64

ROPs

4

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

16 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

1.836 GPixel/s

155.6 GTexel/s

Texture Rate

3.672 GTexel/s

-

4.981 TFLOPS

FP32 (float)

29.38 GFLOPS

155.6 GFLOPS

FP64 (double)

-

Board Design

165W

TDP

40W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GM204

GPU Name

G86

GM204-400-A1

GPU Variant

G86-213-A2

Maxwell 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

5.2 billion

Transistors

0.21 billion

398 mm²

Die Size

127 mm²

Graphics Features

12 (12_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

1.1

6.4

Shader Model

4.0

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