NVIDIA GeForce RTX 4080 12 GB vs AMD Radeon HD 6870

VS

NVIDIA GeForce RTX 4080 12 GB

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4080 12 GB and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 12 GB 's Advantages

Boost Clock2610MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (504.2GB/s vs 134.4GB/s)

6560 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 285W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 12 GB +1888%

40.09 TFLOPS

Radeon HD 6870

2.016 TFLOPS

GeForce RTX 4080 12 GB

VS

Radeon HD 6870

Graphics Card

Unknown

Release Date

Oct 2010

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2610 MHz

Boost Clock

-

1313 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

192bit

Memory Bus

256bit

504.2GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

60

SM Count

-

7680

Shading Units

1120

240

TMUs

56

80

ROPs

32

240

Tensor Cores

-

60

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

48 MB

L2 Cache

512 KB

-

Theoretical Performance

208.8 GPixel/s

Pixel Rate

28.80 GPixel/s

626.4 GTexel/s

Texture Rate

50.40 GTexel/s

40.09 TFLOPS

FP16 (half)

-

40.09 TFLOPS

FP32 (float)

2.016 TFLOPS

626.4 GFLOPS

FP64 (double)

-

Board Design

285W

TDP

151W

600 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

AD104

GPU Name

Barts

AD104-400-A1

GPU Variant

Barts XT (215-0798000)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

35.8 billion

Transistors

1.7 billion

295 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.6

Shader Model

5.0

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