NVIDIA GeForce RTX 4070 vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce RTX 4070

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 's Advantages

Released 10 years and 3 months late

Boost Clock2475MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (504.2GB/s vs 153.6GB/s)

4608 additional rendering cores

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 +1038%

29.15 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

GeForce RTX 4070

VS

Radeon HD 8870 OEM

Graphics Card

Apr 2023

Release Date

Jan 2013

GeForce 40

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

1313 MHz

Memory Clock

1200 MHz

Memory

12GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

256bit

504.2GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

46

SM Count

-

5888

Shading Units

1280

184

TMUs

80

64

ROPs

32

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

36 MB

L2 Cache

512 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

32.00 GPixel/s

455.4 GTexel/s

Texture Rate

80.00 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

2.560 TFLOPS

455.4 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

200W

TDP

175W

550 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD104

GPU Name

Pitcairn

AD104-250-A1

GPU Variant

Pitcairn XT (215-0828047)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

35.8 billion

Transistors

2.8 billion

295 mm²

Die Size

212 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.9

CUDA

-

6.7

Shader Model

5.1

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