AMD Radeon R9 270X vs NVIDIA T400 4 GB

VS

AMD Radeon R9 270X

NVIDIA T400 4 GB

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X 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 R9 270X 's Advantages

Larger VRAM bandwidth (179.2GB/s vs 80.00GB/s)

896 additional rendering cores

NVIDIA T400 4 GB 's Advantages

Released 7 years and 7 months late

Boost Clock has increased by 36% (1425MHz vs 1050MHz)

More VRAM (4GB vs 2GB)

Lower TDP (30W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +145%

2.688 TFLOPS

T400 4 GB

1.094 TFLOPS

Radeon R9 270X

VS

T400 4 GB

Graphics Card

Oct 2013

Release Date

May 2021

Volcanic Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

420 MHz

1050 MHz

Boost Clock

1425 MHz

1400 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

179.2GB/s

Bandwidth

80.00GB/s

Render Config

20

Compute Units

-

SM Count

6

1280

Shading Units

384

80

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

22.80 GPixel/s

84.00 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

2.688 TFLOPS

FP32 (float)

1094 GFLOPS

168.0 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

180W

TDP

30W

450 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

Curacao

GPU Name

TU117

Curacao XT (215-0848004)

GPU Variant

-

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

2.8 billion

Transistors

4.7 billion

212 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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