AMD Radeon HD 6870 X2 vs NVIDIA GeForce RTX 2080

VS

AMD Radeon HD 6870 X2 NVIDIA GeForce RTX 2080

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 8GB VRAM GeForce RTX 2080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 's Advantages

Released 7 years and 2 months late

Boost Clock1710MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (448.0GB/s vs 134.4GB/s)

1824 additional rendering cores

Lower TDP (215W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

GeForce RTX 2080 +399%

10.07 TFLOPS

Radeon HD 6870 X2

VS

GeForce RTX 2080

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

1515 MHz

-

Boost Clock

1710 MHz

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

46

14

Compute Units

-

1120

Shading Units

2944

56

TMUs

184

32

ROPs

64

-

Tensor Cores

368

-

RT Cores

46

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

4 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

109.4 GPixel/s

50.40 GTexel/s

Texture Rate

314.6 GTexel/s

-

FP16 (half)

20.14 TFLOPS

2.016 TFLOPS

FP32 (float)

10.07 TFLOPS

-

FP64 (double)

314.6 GFLOPS

Graphics Processor

Barts

GPU Name

TU104

Barts XT (215-0798000)

GPU Variant

TU104-400A-A1

TeraScale 2

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.7 billion

Transistors

13.6 billion

255 mm²

Die Size

545 mm²

Board Design

300W

TDP

215W

700 W

Suggested PSU

550 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

1x 6-pin + 1x 8-pin

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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