AMD Radeon HD 7970 X2 vs NVIDIA T400 4 GB

VS

AMD Radeon HD 7970 X2

NVIDIA T400 4 GB

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 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 HD 7970 X2 's Advantages

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

1664 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Released 8 years and 9 months late

Boost Clock1425MHz

More VRAM (4GB vs 3GB)

Lower TDP (30W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +246%

3.789 TFLOPS

T400 4 GB

1.094 TFLOPS

Radeon HD 7970 X2

VS

T400 4 GB

Graphics Card

Aug 2012

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

1375 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

80.00GB/s

Render Config

32

Compute Units

-

SM Count

6

2048

Shading Units

384

128

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

22.80 GPixel/s

118.4 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

3.789 TFLOPS

FP32 (float)

1094 GFLOPS

947.2 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

500W

TDP

30W

900 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

3x 8-pin

Power Connectors

None

Graphics Processor

New Zealand

GPU Name

TU117

-

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

4.313 billion

Transistors

4.7 billion

352 mm²

Die Size

200 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

5.1

Shader Model

6.6

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