NVIDIA GeForce RTX 4080 vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce RTX 4080

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 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 4080 's Advantages

Released 9 years and 8 months late

Boost Clock2505MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (716.8GB/s vs 153.6GB/s)

8448 additional rendering cores

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 +1803%

48.74 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

GeForce RTX 4080

VS

Radeon HD 8870 OEM

Graphics Card

Sep 2022

Release Date

Jan 2013

GeForce 40

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

716.8GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

76

SM Count

-

9728

Shading Units

1280

304

TMUs

80

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

32.00 GPixel/s

761.5 GTexel/s

Texture Rate

80.00 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

2.560 TFLOPS

761.5 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

320W

TDP

175W

700 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

AD103

GPU Name

Pitcairn

AD103-300-A1

GPU Variant

Pitcairn XT (215-0828047)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

45.9 billion

Transistors

2.8 billion

379 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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