NVIDIA GeForce RTX 3070 vs ATI Radeon HD 3850

VS

NVIDIA GeForce RTX 3070 ATI Radeon HD 3850

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 and 512MB VRAM Radeon HD 3850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 's Advantages

Released 12 years and 10 months late

Boost Clock1725MHz

Larger VRAM bandwidth (448.0GB/s vs 53.12GB/s)

5568 additional rendering cores

ATI Radeon HD 3850 's Advantages

Lower TDP (75W vs 220W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 +4645%

20.31 TFLOPS

Radeon HD 3850

0.428 TFLOPS

GeForce RTX 3070

VS

Radeon HD 3850

Graphics Card

Sep 2020

Release Date

Nov 2007

GeForce 30

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

1725 MHz

Boost Clock

-

1750 MHz

Memory Clock

830 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

53.12GB/s

Render Config

46

SM Count

-

Compute Units

4

5888

Shading Units

320

184

TMUs

16

96

ROPs

16

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

256 KB

Theoretical Performance

165.6 GPixel/s

Pixel Rate

10.69 GPixel/s

317.4 GTexel/s

Texture Rate

10.69 GTexel/s

20.31 TFLOPS

FP16 (half)

-

20.31 TFLOPS

FP32 (float)

427.5 GFLOPS

317.4 GFLOPS

FP64 (double)

85.50 GFLOPS

Graphics Processor

GA104

GPU Name

RV670

GA104-300-A1

GPU Variant

RV670 PRO (215-0708003)

Ampere

Architecture

TeraScale

Samsung

Foundry

TSMC

8 nm

Process Size

55 nm

17.4 billion

Transistors

0.666 billion

392 mm²

Die Size

192 mm²

Board Design

220W

TDP

75W

550 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 12-pin

Power Connectors

1x 6-pin

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

8.6

CUDA

-

6.6

Shader Model

4.1

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