AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 2080 Ti

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce RTX 2080 Ti

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 11GB VRAM GeForce RTX 2080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Ti 's Advantages

Released 7 years and 2 months late

Boost Clock1545MHz

More VRAM (11GB vs 1024GB)

Larger VRAM bandwidth (616.0GB/s vs 134.4GB/s)

3232 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

GeForce RTX 2080 Ti +567%

13.45 TFLOPS

Radeon HD 6870 X2

VS

GeForce RTX 2080 Ti

Graphics Card

Jul 2011

Release Date

Sep 2018

Northern Islands

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1350 MHz

-

Boost Clock

1545 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

11GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

352bit

134.4GB/s

Bandwidth

616.0GB/s

Render Config

14

Compute Units

-

SM Count

68

1120

Shading Units

4352

56

TMUs

272

32

ROPs

88

-

Tensor Cores

544

-

RT Cores

68

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

0 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

136.0 GPixel/s

50.40 GTexel/s

Texture Rate

420.2 GTexel/s

-

FP16 (half)

26.90 TFLOPS

2.016 TFLOPS

FP32 (float)

13.45 TFLOPS

-

FP64 (double)

420.2 GFLOPS

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

-

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

TU102

Barts XT (215-0798000)

GPU Variant

TU102-300A-K1-A1

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

18.6 billion

255 mm²

Die Size

754 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

7.5

5.0

Shader Model

6.6

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