NVIDIA T400 vs AMD Radeon R9 255 OEM

VS

NVIDIA T400

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 2GB VRAM T400 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T400 's Advantages

Released 7 years and 5 months late

Boost Clock has increased by 53% (1425MHz vs 930MHz)

Larger VRAM bandwidth (80.00GB/s vs 73.60GB/s)

Lower TDP (30W vs 65W)

AMD Radeon R9 255 OEM 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

T400 +14%

1.094 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

T400

VS

Radeon R9 255 OEM

Graphics Card

May 2021

Release Date

Dec 2013

Quadro

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

420 MHz

Base Clock

900 MHz

1425 MHz

Boost Clock

930 MHz

1250 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

128bit

80.00GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

6

SM Count

-

384

Shading Units

512

24

TMUs

32

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

22.80 GPixel/s

Pixel Rate

14.88 GPixel/s

34.20 GTexel/s

Texture Rate

29.76 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

952.3 GFLOPS

34.20 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

30W

TDP

65W

200 W

Suggested PSU

250 W

3x mini-DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

TU117

GPU Name

Cape Verde

-

GPU Variant

Cape Verde PRX

Turing

Architecture

GCN 1.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

4.7 billion

Transistors

1.5 billion

200 mm²

Die Size

123 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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