NVIDIA GeForce 8400 vs AMD Radeon R9 390X

VS

NVIDIA GeForce 8400

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 7 years and 6 months late

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 8.000GB/s)

2808 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon R9 390X +28061%

5.914 TFLOPS

GeForce 8400

VS

Radeon R9 390X

Graphics Card

Dec 2007

Release Date

Jun 2015

GeForce 8

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

8GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

512bit

8.000GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

44

1

SM Count

-

8

Shading Units

2816

4

TMUs

176

4

ROPs

64

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

67.20 GPixel/s

2.160 GTexel/s

Texture Rate

184.8 GTexel/s

-

20.80 GFLOPS

FP32 (float)

5.914 TFLOPS

-

FP64 (double)

739.2 GFLOPS

Board Design

25W

TDP

275W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G98

GPU Name

Grenada

-

GPU Variant

Grenada XT (215-0880004)

Tesla

Architecture

GCN 2.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.21 billion

Transistors

6.2 billion

86 mm²

Die Size

438 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.3

Related GPU Comparisons

1

NVIDIA GeForce 8400 vs AMD Radeon RX 6650 XT

2

NVIDIA GeForce 8400 vs AMD Radeon R9 270 1024SP

3

NVIDIA GeForce 8400 vs AMD Radeon HD 7870 GHz Edition

4

NVIDIA GeForce 8400 vs ATI Radeon HD 2400 PRO PCI

5

NVIDIA GeForce 8400 vs ATI Radeon X1650 GTO

6

NVIDIA GeForce 8400 vs NVIDIA GeForce GT 635 OEM

7

NVIDIA GeForce 8400 vs ATI Radeon X1950 GT AGP

8

NVIDIA GeForce 8400 vs NVIDIA GeForce GT 730

9

NVIDIA GeForce 8400 vs NVIDIA GeForce GTX TITAN X

10

NVIDIA GeForce 8400 vs AMD Radeon R9 380

Related News

1

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

2

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

3

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

4

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

5

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

6

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

7

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

8

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

9

World's First! Intel Arc B580 Graphics Card Arrives Early

10

Linux Creator Criticizes AMD and Intel's x86 Microarchitecture: A Complete Disaster