AMD Radeon R7 250X vs NVIDIA T400

VS

AMD Radeon R7 250X

NVIDIA T400

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 2GB VRAM T400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250X 's Advantages

256 additional rendering cores

NVIDIA T400 's Advantages

Released 7 years and 3 months late

Boost Clock1425MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (80.00GB/s vs 72.00GB/s)

Lower TDP (30W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X +11%

1.216 TFLOPS

T400

1.094 TFLOPS

Radeon R7 250X

VS

T400

Graphics Card

Feb 2014

Release Date

May 2021

Volcanic Islands

Generation

Quadro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

420 MHz

-

Boost Clock

1425 MHz

1125 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

80.00GB/s

Render Config

10

Compute Units

-

SM Count

6

640

Shading Units

384

40

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

15.20 GPixel/s

Pixel Rate

22.80 GPixel/s

38.00 GTexel/s

Texture Rate

34.20 GTexel/s

-

FP16 (half)

2.189 TFLOPS

1216 GFLOPS

FP32 (float)

1094 GFLOPS

76.00 GFLOPS

FP64 (double)

34.20 GFLOPS

Board Design

80W

TDP

30W

250 W

Suggested PSU

200 W

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

Outputs

3x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

TU117

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

1.5 billion

Transistors

4.7 billion

123 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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