AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 4080 Ti

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce RTX 4080 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 16GB VRAM GeForce RTX 4080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Lower TDP (300W vs 400W)

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock2610MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (678.4GB/s vs 134.4GB/s)

12960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

GeForce RTX 4080 Ti +3545%

73.5 TFLOPS

Radeon HD 6870 X2

VS

GeForce RTX 4080 Ti

Graphics Card

Jul 2011

Release Date

Unknown

Northern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2340 MHz

-

Boost Clock

2610 MHz

1050 MHz

Memory Clock

1325 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

678.4GB/s

Render Config

14

Compute Units

-

SM Count

110

1120

Shading Units

14080

56

TMUs

440

32

ROPs

144

-

Tensor Cores

440

-

RT Cores

110

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

80 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

375.8 GPixel/s

50.40 GTexel/s

Texture Rate

1148 GTexel/s

-

FP16 (half)

73.50 TFLOPS

2.016 TFLOPS

FP32 (float)

73.50 TFLOPS

-

FP64 (double)

1148 GFLOPS

Board Design

300W

TDP

400W

700 W

Suggested PSU

800 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 16-pin

Graphics Processor

Barts

GPU Name

AD102

Barts XT (215-0798000)

GPU Variant

AD102-225-A1

TeraScale 2

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

76.3 billion

255 mm²

Die Size

609 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.9

5.0

Shader Model

6.7

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