AMD Radeon HD 6790 vs AMD Radeon Pro V620

VS

AMD Radeon HD 6790

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 300W)

AMD Radeon Pro V620 's Advantages

Released 10 years and 7 months late

Boost Clock2200MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

3808 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6790

1.344 TFLOPS

Radeon Pro V620 +1408%

20.28 TFLOPS

Radeon HD 6790

VS

Radeon Pro V620

Graphics Card

Apr 2011

Release Date

Nov 2021

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2200 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

10

Compute Units

72

-

800

Shading Units

4608

40

TMUs

288

16

ROPs

128

-

RT Cores

72

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

281.6 GPixel/s

33.60 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

1344 GFLOPS

FP32 (float)

20.28 TFLOPS

-

FP64 (double)

1267 GFLOPS

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

Navi 21

Barts LE (215-0798002)

GPU Variant

Navi 21 XT (215-121000177)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

26.8 billion

255 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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