AMD Radeon HD 6990 vs NVIDIA GeForce RTX 2080 SUPER

VS

AMD Radeon HD 6990 NVIDIA GeForce RTX 2080 SUPER

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM GeForce RTX 2080 SUPER to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 SUPER 's Advantages

Released 8 years and 4 months late

Boost Clock1815MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (495.9GB/s vs 160.0GB/s)

1536 additional rendering cores

Lower TDP (250W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 2080 SUPER +337%

11.15 TFLOPS

Radeon HD 6990

VS

GeForce RTX 2080 SUPER

Graphics Card

Mar 2011

Release Date

Jul 2019

Northern Islands

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1650 MHz

-

Boost Clock

1815 MHz

1250 MHz

Memory Clock

1937 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

495.9GB/s

Render Config

-

SM Count

48

24

Compute Units

-

1536

Shading Units

3072

96

TMUs

192

32

ROPs

64

-

Tensor Cores

384

-

RT Cores

48

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

4 MB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

116.2 GPixel/s

79.68 GTexel/s

Texture Rate

348.5 GTexel/s

-

FP16 (half)

22.30 TFLOPS

2.550 TFLOPS

FP32 (float)

11.15 TFLOPS

637.4 GFLOPS

FP64 (double)

348.5 GFLOPS

Graphics Processor

Antilles

GPU Name

TU104

Antilles XT (215-0807027)

GPU Variant

TU104-450-A1

TeraScale 3

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

2.64 billion

Transistors

13.6 billion

389 mm²

Die Size

545 mm²

Board Design

375W

TDP

250W

750 W

Suggested PSU

600 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

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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