NVIDIA T400 4 GB vs AMD Radeon HD 7870 XT

VS

NVIDIA T400 4 GB

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 2GB VRAM Radeon HD 7870 XT 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 6 months late

Boost Clock has increased by 46% (1425MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Lower TDP (30W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 80.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

T400 4 GB

1.094 TFLOPS

Radeon HD 7870 XT +173%

2.995 TFLOPS

T400 4 GB

VS

Radeon HD 7870 XT

Graphics Card

May 2021

Release Date

Nov 2012

Quadro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

420 MHz

Base Clock

925 MHz

1425 MHz

Boost Clock

975 MHz

1250 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

80.00GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

6

SM Count

-

384

Shading Units

1536

24

TMUs

96

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

22.80 GPixel/s

Pixel Rate

31.20 GPixel/s

34.20 GTexel/s

Texture Rate

93.60 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

2.995 TFLOPS

34.20 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

30W

TDP

185W

200 W

Suggested PSU

450 W

3x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

TU117

GPU Name

Tahiti

-

GPU Variant

Tahiti LE (215-0821122)

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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