NVIDIA RTX A400 vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA RTX A400 AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 11 years and 3 months late

Boost Clock1762MHz

More VRAM (4GB vs 1GB)

Lower TDP (50W vs 175W)

AMD Radeon HD 6870 1600SP Edition 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 96.00GB/s)

832 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400

2.706 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

RTX A400

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Apr 2024

Release Date

Jan 2013

Quadro Ampere

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

727 MHz

Base Clock

-

1762 MHz

Boost Clock

-

1500 MHz

Memory Clock

1050 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

96.00GB/s

Bandwidth

134.4GB/s

Render Config

6

SM Count

-

Compute Units

20

768

Shading Units

1600

24

TMUs

80

16

ROPs

32

24

Tensor Cores

-

6

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

28.19 GPixel/s

Pixel Rate

27.20 GPixel/s

42.29 GTexel/s

Texture Rate

68.00 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

2.720 TFLOPS

42.29 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

GA107

GPU Name

Cypress

-

GPU Variant

Cypress XT (215-0735033)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

8.7 billion

Transistors

2.154 billion

200 mm²

Die Size

334 mm²

Board Design

50W

TDP

175W

250 W

Suggested PSU

450 W

4x mini-DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.7

Shader Model

5.0

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