NVIDIA GeForce RTX 2080 vs AMD Radeon HD 6990

VS

NVIDIA GeForce RTX 2080 AMD Radeon HD 6990

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 2080 and 2GB VRAM Radeon HD 6990 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 6 months late

Boost Clock1710MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)

1408 additional rendering cores

Lower TDP (215W vs 375W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 +294%

10.07 TFLOPS

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 2080

VS

Radeon HD 6990

Graphics Card

Sep 2018

Release Date

Mar 2011

GeForce 20

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1515 MHz

Base Clock

-

1710 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

160.0GB/s

Render Config

46

SM Count

-

Compute Units

24

2944

Shading Units

1536

184

TMUs

96

64

ROPs

32

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

109.4 GPixel/s

Pixel Rate

26.56 GPixel/s

314.6 GTexel/s

Texture Rate

79.68 GTexel/s

20.14 TFLOPS

FP16 (half)

-

10.07 TFLOPS

FP32 (float)

2.550 TFLOPS

314.6 GFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

TU104

GPU Name

Antilles

TU104-400A-A1

GPU Variant

Antilles XT (215-0807027)

Turing

Architecture

TeraScale 3

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

13.6 billion

Transistors

2.64 billion

545 mm²

Die Size

389 mm²

Board Design

215W

TDP

375W

550 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

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

7.5

CUDA

-

6.6

Shader Model

5.0

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