NVIDIA GeForce RTX 3080 vs AMD Radeon HD 7870 GHz Edition

VS

NVIDIA GeForce RTX 3080 AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 's Advantages

Released 8 years and 6 months late

Boost Clock1710MHz

More VRAM (10GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 153.6GB/s)

7424 additional rendering cores

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 +1062%

29.77 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

GeForce RTX 3080

VS

Radeon HD 7870 GHz Edition

Graphics Card

Sep 2020

Release Date

Mar 2012

GeForce 30

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1440 MHz

Base Clock

-

1710 MHz

Boost Clock

-

1188 MHz

Memory Clock

1200 MHz

Memory

10GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

153.6GB/s

Render Config

68

SM Count

-

Compute Units

20

8704

Shading Units

1280

272

TMUs

80

96

ROPs

32

272

Tensor Cores

-

68

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

5 MB

L2 Cache

512 KB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

32.00 GPixel/s

465.1 GTexel/s

Texture Rate

80.00 GTexel/s

29.77 TFLOPS

FP16 (half)

-

29.77 TFLOPS

FP32 (float)

2.560 TFLOPS

465.1 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

GA102

GPU Name

Pitcairn

GA102-200-KD-A1

GPU Variant

Pitcairn XT (215-0828047)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.8 billion

628 mm²

Die Size

212 mm²

Board Design

320W

TDP

175W

700 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 12-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

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