NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon HD 6870

VS

NVIDIA GeForce RTX 4070 GDDR6

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Released 13 years and 10 months late

Boost Clock2475MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (480.0GB/s vs 134.4GB/s)

4768 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 GDDR6 +1345%

29.15 TFLOPS

Radeon HD 6870

2.016 TFLOPS

GeForce RTX 4070 GDDR6

VS

Radeon HD 6870

Graphics Card

Aug 2024

Release Date

Oct 2010

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

2500 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

256bit

480.0GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

46

SM Count

-

5888

Shading Units

1120

184

TMUs

56

64

ROPs

32

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

36 MB

L2 Cache

512 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

28.80 GPixel/s

455.4 GTexel/s

Texture Rate

50.40 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

2.016 TFLOPS

455.4 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

151W

550 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 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD104

GPU Name

Barts

AD104-2XX-A1

GPU Variant

Barts XT (215-0798000)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

1.7 billion

294 mm²

Die Size

255 mm²

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

8.9

CUDA

-

6.8

Shader Model

5.0

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