NVIDIA RTX A400 vs AMD Radeon HD 6870 X2

VS

NVIDIA RTX A400

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 4GB VRAM RTX A400 and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A400 's Advantages

Released 12 years and 9 months late

Boost Clock1762MHz

More VRAM (4GB vs 1024GB)

Lower TDP (50W vs 300W)

AMD Radeon HD 6870 X2 's Advantages

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

352 additional rendering cores

Score

Benchmark

FP32 (float)

RTX A400 +34%

2.706 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

RTX A400

VS

Radeon HD 6870 X2

Graphics Card

Apr 2024

Release Date

Jul 2011

Quadro Ampere(Ax000)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1417 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

-

Compute Units

14

6

SM Count

-

768

Shading Units

1120

24

TMUs

56

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

28.80 GPixel/s

42.29 GTexel/s

Texture Rate

50.40 GTexel/s

2.706 TFLOPS

FP16 (half)

-

2.706 TFLOPS

FP32 (float)

2.016 TFLOPS

42.29 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

300W

250 W

Suggested PSU

700 W

4x mini-DisplayPort 1.4a

Outputs

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

None

Power Connectors

-

Graphics Processor

GA107

GPU Name

Barts

-

GPU Variant

Barts XT (215-0798000)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

8.7 billion

Transistors

1.7 billion

200 mm²

Die Size

255 mm²

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

-

6.8

Shader Model

5.0

Related GPU Comparisons

1

NVIDIA RTX A400 vs AMD Radeon HD 6450 OEM

2

NVIDIA RTX A400 vs ATI Radeon HD 3650 AGP

3

NVIDIA RTX A400 vs AMD Radeon R7 250XE

4

NVIDIA RTX A400 vs AMD Radeon RX 7600 XT

5

NVIDIA RTX A400 vs NVIDIA GeForce 9500 GT

6

NVIDIA RTX A400 vs NVIDIA GeForce GTX 490

7

NVIDIA RTX A400 vs Intel Arc A770

8

NVIDIA RTX A400 vs NVIDIA GeForce GTX 1060 6 GB GP104

9

NVIDIA RTX A400 vs ATI Radeon X1550 AGP

10

NVIDIA RTX A400 vs NVIDIA GeForce RTX 2060 TU104

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early