NVIDIA T400 4 GB vs AMD Radeon R9 390 X2

VS

NVIDIA T400 4 GB

AMD Radeon R9 390 X2

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 8GB VRAM Radeon R9 390 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 4 GB 's Advantages

Released 5 years and 8 months late

Boost Clock1425MHz

Lower TDP (30W vs 580W)

AMD Radeon R9 390 X2 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (345.6GB/s vs 80.00GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

T400 4 GB

1.094 TFLOPS

Radeon R9 390 X2 +368%

5.12 TFLOPS

T400 4 GB

VS

Radeon R9 390 X2

Graphics Card

May 2021

Release Date

Sep 2015

Quadro

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

420 MHz

Base Clock

-

1425 MHz

Boost Clock

-

1250 MHz

Memory Clock

1350 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

512bit

80.00GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

40

6

SM Count

-

384

Shading Units

2560

24

TMUs

160

16

ROPs

64

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

22.80 GPixel/s

Pixel Rate

64.00 GPixel/s

34.20 GTexel/s

Texture Rate

160.0 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

5.120 TFLOPS

34.20 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

30W

TDP

580W

200 W

Suggested PSU

950 W

3x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

4x 8-pin

Graphics Processor

TU117

GPU Name

Grenada

-

GPU Variant

Grenada PRO (215-0880030)

Turing

Architecture

GCN 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

4.7 billion

Transistors

6.2 billion

200 mm²

Die Size

438 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.3

Vulkan

1.2

7.5

CUDA

-

6.6

Shader Model

6.3

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