NVIDIA GeForce RTX 4070 vs AMD Radeon HD 6870

VS

NVIDIA GeForce RTX 4070 AMD Radeon HD 6870

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 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 's Advantages

Released 12 years and 6 months late

Boost Clock2475MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (504.2GB/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 +1345%

29.15 TFLOPS

Radeon HD 6870

2.016 TFLOPS

GeForce RTX 4070

VS

Radeon HD 6870

Graphics Card

Apr 2023

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

-

1313 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

256bit

504.2GB/s

Bandwidth

134.4GB/s

Render Config

46

SM Count

-

Compute Units

14

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)

-

Graphics Processor

AD104

GPU Name

Barts

AD104-250-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

295 mm²

Die Size

255 mm²

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 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

-

6.7

Shader Model

5.0

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