AMD Radeon HD 6990 vs NVIDIA GeForce RTX 4080 SUPER

VS

AMD Radeon HD 6990

NVIDIA GeForce RTX 4080 SUPER

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 16GB VRAM GeForce RTX 4080 SUPER to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 SUPER 's Advantages

Released 12 years and 10 months late

Boost Clock2550MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (736.3GB/s vs 160.0GB/s)

8704 additional rendering cores

Lower TDP (320W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 4080 SUPER +1947%

52.22 TFLOPS

Radeon HD 6990

VS

GeForce RTX 4080 SUPER

Graphics Card

Mar 2011

Release Date

Jan 2024

Northern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2295 MHz

-

Boost Clock

2550 MHz

1250 MHz

Memory Clock

1438 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

736.3GB/s

Render Config

24

Compute Units

-

SM Count

80

1536

Shading Units

10240

96

TMUs

320

32

ROPs

112

-

Tensor Cores

320

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

64 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

285.6 GPixel/s

79.68 GTexel/s

Texture Rate

816.0 GTexel/s

-

FP16 (half)

52.22 TFLOPS

2.550 TFLOPS

FP32 (float)

52.22 TFLOPS

637.4 GFLOPS

FP64 (double)

816.0 GFLOPS

Board Design

375W

TDP

320W

750 W

Suggested PSU

700 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Antilles

GPU Name

AD103

Antilles XT (215-0807027)

GPU Variant

AD103-400-A1

TeraScale 3

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

2.64 billion

Transistors

45.9 billion

389 mm²

Die Size

379 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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