NVIDIA T400 4 GB vs AMD Radeon HD 7790

VS

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 1024MB VRAM Radeon HD 7790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 4 GB 's Advantages

Released 8 years and 2 months late

Boost Clock1425MHz

More VRAM (4GB vs 1GB)

Lower TDP (30W vs 85W)

AMD Radeon HD 7790 's Advantages

Larger VRAM bandwidth (96.00GB/s vs 80.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

T400 4 GB

1.094 TFLOPS

Radeon HD 7790 +63%

1.792 TFLOPS

T400 4 GB

VS

Radeon HD 7790

Graphics Card

May 2021

Release Date

Mar 2013

Quadro

Generation

Southern 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

1500 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

80.00GB/s

Bandwidth

96.00GB/s

Render Config

6

SM Count

-

Compute Units

14

384

Shading Units

896

24

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

22.80 GPixel/s

Pixel Rate

16.00 GPixel/s

34.20 GTexel/s

Texture Rate

56.00 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

1.792 TFLOPS

34.20 GFLOPS

FP64 (double)

112.0 GFLOPS

Graphics Processor

TU117

GPU Name

Bonaire

-

GPU Variant

Bonaire XT (215-0839039)

Turing

Architecture

GCN 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

4.7 billion

Transistors

2.08 billion

200 mm²

Die Size

160 mm²

Board Design

30W

TDP

85W

200 W

Suggested PSU

250 W

3x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin

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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