NVIDIA GeForce RTX 5070 vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce RTX 5070

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 5070 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5070 's Advantages

Released 17 years late

Boost Clock2520MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (532.6GB/s vs 57.66GB/s)

5824 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 250W)

Score

Benchmark

FP32 (float)

GeForce RTX 5070 +5765%

30.97 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce RTX 5070

VS

Radeon HD 3870 X2

Graphics Card

Jan 2025

Release Date

Jan 2008

GeForce 50

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1750 MHz

Memory Clock

901 MHz

Memory

12GB

Memory Size

512MB

GDDR7

Memory Type

GDDR3

192bit

Memory Bus

256bit

532.6GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

48

SM Count

-

6144

Shading Units

320

192

TMUs

16

64

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

-

40 MB

L2 Cache

256 KB

-

Theoretical Performance

161.3 GPixel/s

Pixel Rate

13.20 GPixel/s

483.8 GTexel/s

Texture Rate

13.20 GTexel/s

30.97 TFLOPS

FP16 (half)

-

30.97 TFLOPS

FP32 (float)

528.0 GFLOPS

483.8 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

250W

TDP

165W

600 W

Suggested PSU

450 W

1x HDMI 2.13x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GB205

GPU Name

R680

GB205-300-A1

GPU Variant

R680 XT (215-0708017)

Blackwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

0

Process Size

55 nm

Unknown

Transistors

0.666 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

4.1

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