AMD Radeon HD 7790 vs NVIDIA T400

VS

AMD Radeon HD 7790 NVIDIA T400

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

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

512 additional rendering cores

NVIDIA T400 's Advantages

Released 8 years and 2 months late

Boost Clock1425MHz

More VRAM (2GB vs 1GB)

Lower TDP (30W vs 85W)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +63%

1.792 TFLOPS

T400

1.094 TFLOPS

Radeon HD 7790

VS

T400

Graphics Card

Mar 2013

Release Date

May 2021

Southern 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

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

80.00GB/s

Render Config

-

SM Count

6

14

Compute Units

-

896

Shading Units

384

56

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

22.80 GPixel/s

56.00 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

1.792 TFLOPS

FP32 (float)

1094 GFLOPS

112.0 GFLOPS

FP64 (double)

34.20 GFLOPS

Graphics Processor

Bonaire

GPU Name

TU117

Bonaire XT (215-0839039)

GPU Variant

-

GCN 2.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

2.08 billion

Transistors

4.7 billion

160 mm²

Die Size

200 mm²

Board Design

85W

TDP

30W

250 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

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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