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

VS

AMD Radeon HD 6870 1600SP Edition

NVIDIA GeForce RTX 3080

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition 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 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 320W)

NVIDIA GeForce RTX 3080 's Advantages

Released 7 years and 8 months late

Boost Clock1710MHz

More VRAM (10GB vs 1024GB)

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

7104 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

GeForce RTX 3080 +994%

29.77 TFLOPS

Radeon HD 6870 1600SP Edition

VS

GeForce RTX 3080

Graphics Card

Jan 2013

Release Date

Sep 2020

Northern 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

20

Compute Units

-

SM Count

68

1600

Shading Units

8704

80

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

27.20 GPixel/s

Pixel Rate

164.2 GPixel/s

68.00 GTexel/s

Texture Rate

465.1 GTexel/s

-

FP16 (half)

29.77 TFLOPS

2.720 TFLOPS

FP32 (float)

29.77 TFLOPS

544.0 GFLOPS

FP64 (double)

465.1 GFLOPS

Board Design

175W

TDP

320W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 12-pin

Graphics Processor

Cypress

GPU Name

GA102

Cypress XT (215-0735033)

GPU Variant

GA102-200-KD-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

2.154 billion

Transistors

28.3 billion

334 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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