AMD Radeon R9 390 vs NVIDIA GeForce 9400 GT PCI

VS

AMD Radeon R9 390 NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 6 years and 10 months late

Larger VRAM bandwidth (384.0GB/s vs 12.80GB/s)

2544 additional rendering cores

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +11277%

5.12 TFLOPS

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon R9 390

VS

GeForce 9400 GT PCI

Graphics Card

Jun 2015

Release Date

Aug 2008

Pirate Islands

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

8GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

128bit

384.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

40

Compute Units

-

2560

Shading Units

16

160

TMUs

8

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.200 GPixel/s

160.0 GTexel/s

Texture Rate

4.400 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

44.80 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Graphics Processor

Grenada

GPU Name

G96C

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

6.2 billion

Transistors

0.314 billion

438 mm²

Die Size

121 mm²

Board Design

275W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

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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