NVIDIA T400 4 GB vs ATI Radeon HD 3870 X2

VS

NVIDIA T400 4 GB

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 4GB VRAM T400 4 GB and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 4 GB 's Advantages

Released 13 years and 4 months late

Boost Clock1425MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (80.00GB/s vs 57.66GB/s)

64 additional rendering cores

Lower TDP (30W vs 165W)

Score

Benchmark

FP32 (float)

T400 4 GB +107%

1.094 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

T400 4 GB

VS

Radeon HD 3870 X2

Graphics Card

May 2021

Release Date

Jan 2008

Quadro

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

420 MHz

Base Clock

-

1425 MHz

Boost Clock

-

1250 MHz

Memory Clock

901 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

80.00GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

6

SM Count

-

384

Shading Units

320

24

TMUs

16

ROPs

16

-

64 KB (per SM)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

22.80 GPixel/s

Pixel Rate

13.20 GPixel/s

34.20 GTexel/s

Texture Rate

13.20 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

528.0 GFLOPS

34.20 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

30W

TDP

165W

200 W

Suggested PSU

450 W

3x mini-DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

TU117

GPU Name

R680

-

GPU Variant

R680 XT (215-0708017)

Turing

Architecture

TeraScale

TSMC

Foundry

TSMC

12 nm

Process Size

55 nm

4.7 billion

Transistors

0.666 billion

200 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

7.5

CUDA

-

6.6

Shader Model

4.1

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