NVIDIA GeForce RTX 3080 vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA GeForce RTX 3080 AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 10GB VRAM GeForce RTX 3080 and 1024MB VRAM Radeon HD 6870 1600SP 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 7 years and 8 months late

Boost Clock1710MHz

More VRAM (10GB vs 1GB)

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

7104 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 +994%

29.77 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

GeForce RTX 3080

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Sep 2020

Release Date

Jan 2013

GeForce 30

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1440 MHz

Base Clock

-

1710 MHz

Boost Clock

-

1188 MHz

Memory Clock

1050 MHz

Memory

10GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

134.4GB/s

Render Config

68

SM Count

-

Compute Units

20

8704

Shading Units

1600

272

TMUs

80

96

ROPs

32

272

Tensor Cores

-

68

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

5 MB

L2 Cache

512 KB

Theoretical Performance

164.2 GPixel/s

Pixel Rate

27.20 GPixel/s

465.1 GTexel/s

Texture Rate

68.00 GTexel/s

29.77 TFLOPS

FP16 (half)

-

29.77 TFLOPS

FP32 (float)

2.720 TFLOPS

465.1 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

GA102

GPU Name

Cypress

GA102-200-KD-A1

GPU Variant

Cypress XT (215-0735033)

Ampere

Architecture

TeraScale 2

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

28.3 billion

Transistors

2.154 billion

628 mm²

Die Size

334 mm²

Board Design

320W

TDP

175W

700 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.6

CUDA

-

6.6

Shader Model

5.0

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