AMD Radeon HD 6870 vs NVIDIA GeForce RTX 3070 6144SP

VS

AMD Radeon HD 6870

NVIDIA GeForce RTX 3070 6144SP

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 8GB VRAM GeForce RTX 3070 6144SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 290W)

NVIDIA GeForce RTX 3070 6144SP 's Advantages

Boost Clock1770MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)

5024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

GeForce RTX 3070 6144SP +978%

21.75 TFLOPS

Radeon HD 6870

VS

GeForce RTX 3070 6144SP

Graphics Card

Oct 2010

Release Date

Unknown

Northern Islands

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1740 MHz

-

Boost Clock

1770 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

448.0GB/s

Render Config

14

Compute Units

-

SM Count

48

1120

Shading Units

6144

56

TMUs

192

32

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

169.9 GPixel/s

50.40 GTexel/s

Texture Rate

339.8 GTexel/s

-

FP16 (half)

21.75 TFLOPS

2.016 TFLOPS

FP32 (float)

21.75 TFLOPS

-

FP64 (double)

339.8 GFLOPS

Board Design

151W

TDP

290W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.13x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

GA104

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.7 billion

Transistors

17.4 billion

255 mm²

Die Size

392 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

6.8

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