AMD Radeon R7 250X vs NVIDIA RTX A400

VS

AMD Radeon R7 250X

NVIDIA RTX A400

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250X and 4GB VRAM RTX A400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 10 years and 2 months late

Boost Clock1762MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

128 additional rendering cores

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R7 250X

1.216 TFLOPS

RTX A400 +122%

2.706 TFLOPS

Radeon R7 250X

VS

RTX A400

Graphics Card

Feb 2014

Release Date

Apr 2024

Volcanic Islands

Generation

Quadro Ampere(Ax000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1762 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

-

SM Count

6

640

Shading Units

768

40

TMUs

24

16

ROPs

16

-

Tensor Cores

24

-

RT Cores

6

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

15.20 GPixel/s

Pixel Rate

28.19 GPixel/s

38.00 GTexel/s

Texture Rate

42.29 GTexel/s

-

FP16 (half)

2.706 TFLOPS

1216 GFLOPS

FP32 (float)

2.706 TFLOPS

76.00 GFLOPS

FP64 (double)

42.29 GFLOPS

Board Design

80W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

GA107

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.5 billion

Transistors

8.7 billion

123 mm²

Die Size

200 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

5.1

Shader Model

6.8

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