AMD Radeon HD 6790 vs NVIDIA RTX A4000H

VS

AMD Radeon HD 6790

NVIDIA RTX A4000H

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 10 years late

Boost Clock1560MHz

More VRAM (16GB vs 1024GB)

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

5344 additional rendering cores

Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

RTX A4000H +1326%

19.17 TFLOPS

Radeon HD 6790

VS

RTX A4000H

Graphics Card

Apr 2011

Release Date

Apr 2021

Northern Islands

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

735 MHz

-

Boost Clock

1560 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

448.0GB/s

Render Config

10

Compute Units

-

SM Count

48

800

Shading Units

6144

40

TMUs

192

16

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

149.8 GPixel/s

33.60 GTexel/s

Texture Rate

299.5 GTexel/s

-

FP16 (half)

19.17 TFLOPS

1344 GFLOPS

FP32 (float)

19.17 TFLOPS

-

FP64 (double)

299.5 GFLOPS

Board Design

150W

TDP

140W

450 W

Suggested PSU

300 W

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

Outputs

4x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

GA104

Barts LE (215-0798002)

GPU Variant

GA104-???-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

17.4 billion

255 mm²

Die Size

392 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.7

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