AMD Radeon R9 390 vs NVIDIA T400 4 GB

VS

AMD Radeon R9 390

NVIDIA T400 4 GB

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

Main Differences

AMD Radeon R9 390 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 80.00GB/s)

2176 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Released 5 years and 11 months late

Boost Clock1425MHz

Lower TDP (30W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +368%

5.12 TFLOPS

T400 4 GB

1.094 TFLOPS

Radeon R9 390

VS

T400 4 GB

Graphics Card

Jun 2015

Release Date

May 2021

Pirate Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

420 MHz

-

Boost Clock

1425 MHz

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

64bit

384.0GB/s

Bandwidth

80.00GB/s

Render Config

40

Compute Units

-

SM Count

6

2560

Shading Units

384

160

TMUs

24

64

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

22.80 GPixel/s

160.0 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

5.120 TFLOPS

FP32 (float)

1094 GFLOPS

640.0 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

275W

TDP

30W

600 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Grenada

GPU Name

TU117

Grenada PRO (215-0880030)

GPU Variant

-

GCN 2.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

6.2 billion

Transistors

4.7 billion

438 mm²

Die Size

200 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.3

Shader Model

6.6

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