AMD Radeon HD 6790 vs NVIDIA RTX 4000 Ada Generation

VS

AMD Radeon HD 6790

NVIDIA RTX 4000 Ada Generation

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX 4000 Ada Generation 's Advantages

Released 12 years and 4 months late

Boost Clock2175MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (360.0GB/s vs 134.4GB/s)

5344 additional rendering cores

Lower TDP (130W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

RTX 4000 Ada Generation +1888%

26.73 TFLOPS

Radeon HD 6790

VS

RTX 4000 Ada Generation

Graphics Card

Apr 2011

Release Date

Aug 2023

Northern Islands

Generation

Quadro Ada(x000A)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1500 MHz

-

Boost Clock

2175 MHz

1050 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

160bit

134.4GB/s

Bandwidth

360.0GB/s

Render Config

10

Compute Units

-

SM Count

48

800

Shading Units

6144

40

TMUs

192

16

ROPs

80

-

Tensor Cores

192

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

48 MB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

174.0 GPixel/s

33.60 GTexel/s

Texture Rate

417.6 GTexel/s

-

FP16 (half)

26.73 TFLOPS

1344 GFLOPS

FP32 (float)

26.73 TFLOPS

-

FP64 (double)

417.6 GFLOPS

Board Design

150W

TDP

130W

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 16-pin

Graphics Processor

Barts

GPU Name

AD104

Barts LE (215-0798002)

GPU Variant

-

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

35.8 billion

255 mm²

Die Size

294 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

8.9

5.0

Shader Model

6.8

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