NVIDIA T400 vs AMD Radeon HD 7970

VS

NVIDIA T400

AMD Radeon HD 7970

We compared two Desktop platform GPUs: 2GB VRAM T400 and 3GB VRAM Radeon HD 7970 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 5 months late

Boost Clock1425MHz

Lower TDP (30W vs 250W)

AMD Radeon HD 7970 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 80.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

T400

1.094 TFLOPS

Radeon HD 7970 +246%

3.789 TFLOPS

T400

VS

Radeon HD 7970

Graphics Card

May 2021

Release Date

Dec 2011

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

1375 MHz

Memory

2GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

384bit

80.00GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

6

SM Count

-

384

Shading Units

2048

24

TMUs

128

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

22.80 GPixel/s

Pixel Rate

29.60 GPixel/s

34.20 GTexel/s

Texture Rate

118.4 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

3.789 TFLOPS

34.20 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

30W

TDP

250W

200 W

Suggested PSU

600 W

3x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

TU117

GPU Name

Tahiti

-

GPU Variant

Tahiti XT (215-0821060)

Turing

Architecture

GCN 1.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

4.7 billion

Transistors

4.313 billion

200 mm²

Die Size

352 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

7.5

CUDA

-

6.6

Shader Model

5.1

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