AMD Radeon R9 390 X2 vs NVIDIA GeForce 405 OEM

VS

AMD Radeon R9 390 X2

NVIDIA GeForce 405 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 512MB VRAM GeForce 405 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 X2 's Advantages

Released 5 years late

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (345.6GB/s vs 12.64GB/s)

2544 additional rendering cores

NVIDIA GeForce 405 OEM 's Advantages

Lower TDP (25W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2 +11277%

5.12 TFLOPS

GeForce 405 OEM

0.045 TFLOPS

Radeon R9 390 X2

VS

GeForce 405 OEM

Graphics Card

Sep 2015

Release Date

Sep 2010

Pirate Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

790 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

345.6GB/s

Bandwidth

12.64GB/s

Render Config

40

Compute Units

-

SM Count

2

2560

Shading Units

16

160

TMUs

8

64

ROPs

4

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.356 GPixel/s

160.0 GTexel/s

Texture Rate

4.712 GTexel/s

-

5.120 TFLOPS

FP32 (float)

44.86 GFLOPS

640.0 GFLOPS

FP64 (double)

-

Board Design

580W

TDP

25W

950 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

4x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

GT218

Grenada PRO (215-0880030)

GPU Variant

GT218-300-B1

GCN 2.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.26 billion

438 mm²

Die Size

57 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

6.3

Shader Model

4.1

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