AMD Radeon HD 6390 vs NVIDIA T400

VS

AMD Radeon HD 6390

NVIDIA T400

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Released 9 years and 10 months late

Boost Clock1425MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (80.00GB/s vs 16.00GB/s)

64 additional rendering cores

Lower TDP (30W vs 39W)

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

T400 +210%

1.094 TFLOPS

Radeon HD 6390

VS

T400

Graphics Card

Jul 2011

Release Date

May 2021

Northern Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

420 MHz

-

Boost Clock

1425 MHz

500 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

64bit

16.00GB/s

Bandwidth

80.00GB/s

Render Config

4

Compute Units

-

SM Count

6

320

Shading Units

384

16

TMUs

24

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

22.80 GPixel/s

8.800 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

352.0 GFLOPS

FP32 (float)

1094 GFLOPS

-

FP64 (double)

34.20 GFLOPS

Board Design

39W

TDP

30W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

3x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

TU117

Redwood LE

GPU Variant

-

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

0.627 billion

Transistors

4.7 billion

104 mm²

Die Size

200 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

7.5

5.0

Shader Model

6.6

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