AMD Radeon HD 7720 OEM vs NVIDIA GeForce RTX 3080

VS

AMD Radeon HD 7720 OEM

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 10GB VRAM GeForce RTX 3080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7720 OEM 's Advantages

Lower TDP (150W vs 320W)

NVIDIA GeForce RTX 3080 's Advantages

Released 7 years and 6 months late

Boost Clock1710MHz

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (760.3GB/s vs 134.4GB/s)

7904 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7720 OEM

1.344 TFLOPS

GeForce RTX 3080 +2115%

29.77 TFLOPS

Radeon HD 7720 OEM

VS

GeForce RTX 3080

Graphics Card

Mar 2013

Release Date

Sep 2020

Southern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1440 MHz

-

Boost Clock

1710 MHz

1050 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

10GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

320bit

134.4GB/s

Bandwidth

760.3GB/s

Render Config

10

Compute Units

-

SM Count

68

800

Shading Units

8704

40

TMUs

272

32

ROPs

96

-

Tensor Cores

272

-

RT Cores

68

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

5 MB

-

Theoretical Performance

26.88 GPixel/s

Pixel Rate

164.2 GPixel/s

33.60 GTexel/s

Texture Rate

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

1344 GFLOPS

FP32 (float)

29.77 TFLOPS

-

FP64 (double)

465.1 GFLOPS

Board Design

150W

TDP

320W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 12-pin

Graphics Processor

Barts

GPU Name

GA102

Barts LE (215-0798002)

GPU Variant

GA102-200-KD-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

28.3 billion

255 mm²

Die Size

628 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

6.6

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