NVIDIA RTX A4000H vs AMD Radeon HD 6850 X2

VS

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 9 years and 7 months late

Boost Clock1560MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)

5184 additional rendering cores

Lower TDP (140W vs 254W)

Score

Benchmark

FP32 (float)

RTX A4000H +1148%

19.17 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

RTX A4000H

VS

Radeon HD 6850 X2

Graphics Card

Apr 2021

Release Date

Sep 2011

Quadro Ampere

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

134.4GB/s

Render Config

48

SM Count

-

Compute Units

12

6144

Shading Units

960

192

TMUs

48

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

25.60 GPixel/s

299.5 GTexel/s

Texture Rate

38.40 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

1.536 TFLOPS

299.5 GFLOPS

FP64 (double)

-

Graphics Processor

GA104

GPU Name

Barts

GA104-???-A1

GPU Variant

Barts PRO (215-0798006)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

1.7 billion

392 mm²

Die Size

255 mm²

Board Design

140W

TDP

254W

300 W

Suggested PSU

600 W

4x DisplayPort 1.4a

Outputs

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

1x 6-pin

Power Connectors

2x 8-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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