AMD Radeon R9 380X vs NVIDIA GeForce 8400 GS

VS

AMD Radeon R9 380X

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 380X and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380X 's Advantages

Released 8 years and 7 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (182.4GB/s vs 6.400GB/s)

2032 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 380X +13600%

3.973 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

Radeon R9 380X

VS

GeForce 8400 GS

Graphics Card

Nov 2015

Release Date

Apr 2007

Pirate Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1425 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

182.4GB/s

Bandwidth

6.400GB/s

Render Config

32

Compute Units

-

SM Count

2

2048

Shading Units

16

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

31.04 GPixel/s

Pixel Rate

1.836 GPixel/s

124.2 GTexel/s

Texture Rate

3.672 GTexel/s

3.973 TFLOPS

FP16 (half)

-

3.973 TFLOPS

FP32 (float)

29.38 GFLOPS

248.3 GFLOPS

FP64 (double)

-

Board Design

190W

TDP

40W

450 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Antigua

GPU Name

G86

Antigua XT (215-0877016)

GPU Variant

G86-213-A2

GCN 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

5 billion

Transistors

0.21 billion

366 mm²

Die Size

127 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.3

Shader Model

4.0

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