NVIDIA GeForce RTX 4070 vs ATI Radeon HD 3870

VS

NVIDIA GeForce RTX 4070

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 's Advantages

Released 15 years and 5 months late

Boost Clock2475MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (504.2GB/s vs 72.06GB/s)

5568 additional rendering cores

ATI Radeon HD 3870 's Advantages

Lower TDP (106W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 +5765%

29.15 TFLOPS

Radeon HD 3870

0.497 TFLOPS

GeForce RTX 4070

VS

Radeon HD 3870

Graphics Card

Apr 2023

Release Date

Nov 2007

GeForce 40

Generation

Radeon R600

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

1126 MHz

Memory

12GB

Memory Size

512MB

GDDR6X

Memory Type

GDDR4

192bit

Memory Bus

256bit

504.2GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

46

SM Count

-

5888

Shading Units

320

184

TMUs

16

64

ROPs

16

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

-

36 MB

L2 Cache

256 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

12.43 GPixel/s

455.4 GTexel/s

Texture Rate

12.43 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

497.3 GFLOPS

455.4 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

200W

TDP

106W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD104

GPU Name

RV670

AD104-250-A1

GPU Variant

RV670 XT (215-0708005)

Ada Lovelace

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

35.8 billion

Transistors

0.666 billion

295 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

4.1

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