AMD Radeon R9 270 1024SP vs NVIDIA T400

VS

AMD Radeon R9 270 1024SP

NVIDIA T400

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 80.00GB/s)

640 additional rendering cores

NVIDIA T400 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 54% (1425MHz vs 925MHz)

Lower TDP (30W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +73%

1.894 TFLOPS

T400

1.094 TFLOPS

Radeon R9 270 1024SP

VS

T400

Graphics Card

Mar 2015

Release Date

May 2021

Volcanic Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

420 MHz

925 MHz

Boost Clock

1425 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

80.00GB/s

Render Config

16

Compute Units

-

SM Count

6

1024

Shading Units

384

64

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

22.80 GPixel/s

59.20 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

1.894 TFLOPS

FP32 (float)

1094 GFLOPS

118.4 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

150W

TDP

30W

450 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

TU117

Pitcairn PRO (215-0828062)

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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