NVIDIA GeForce RTX 4080 SUPER vs AMD Radeon HD 6870

VS

NVIDIA GeForce RTX 4080 SUPER

AMD Radeon HD 6870

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

Released 13 years and 3 months late

Boost Clock2550MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (736.3GB/s vs 134.4GB/s)

9120 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 SUPER +2490%

52.22 TFLOPS

Radeon HD 6870

2.016 TFLOPS

GeForce RTX 4080 SUPER

VS

Radeon HD 6870

Graphics Card

Jan 2024

Release Date

Oct 2010

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2295 MHz

Base Clock

-

2550 MHz

Boost Clock

-

1438 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

1024MB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

736.3GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

80

SM Count

-

10240

Shading Units

1120

320

TMUs

56

112

ROPs

32

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

285.6 GPixel/s

Pixel Rate

28.80 GPixel/s

816.0 GTexel/s

Texture Rate

50.40 GTexel/s

52.22 TFLOPS

FP16 (half)

-

52.22 TFLOPS

FP32 (float)

2.016 TFLOPS

816.0 GFLOPS

FP64 (double)

-

Board Design

320W

TDP

151W

700 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

AD103

GPU Name

Barts

AD103-400-A1

GPU Variant

Barts XT (215-0798000)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

45.9 billion

Transistors

1.7 billion

379 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

-

6.7

Shader Model

5.0

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