AMD Radeon HD 6990 vs NVIDIA GeForce RTX 5090

VS

AMD Radeon HD 6990

NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Lower TDP (375W vs 500W)

NVIDIA GeForce RTX 5090 's Advantages

Released 13 years and 10 months late

Boost Clock2520MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (1.52TB/s vs 160.0GB/s)

20224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

GeForce RTX 5090 +4201%

109.7 TFLOPS

Radeon HD 6990

VS

GeForce RTX 5090

Graphics Card

Mar 2011

Release Date

Jan 2025

Northern Islands

Generation

GeForce 50

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

2235 MHz

-

Boost Clock

2520 MHz

1250 MHz

Memory Clock

1875 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR7

256bit

Memory Bus

512bit

160.0GB/s

Bandwidth

1.52TB/s

Render Config

24

Compute Units

-

SM Count

170

1536

Shading Units

21760

96

TMUs

680

32

ROPs

192

-

Tensor Cores

680

-

RT Cores

170

8 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

88 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

483.8 GPixel/s

79.68 GTexel/s

Texture Rate

1714 GTexel/s

-

FP16 (half)

109.7 TFLOPS

2.550 TFLOPS

FP32 (float)

109.7 TFLOPS

637.4 GFLOPS

FP64 (double)

1.714 TFLOPS

Board Design

375W

TDP

500W

750 W

Suggested PSU

900 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 2.1a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Processor

Antilles

GPU Name

GB202

Antilles XT (215-0807027)

GPU Variant

GB202-400-A1

TeraScale 3

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

4 nm

2.64 billion

Transistors

Unknown

389 mm²

Die Size

Unknown

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

10.1

5.0

Shader Model

6.8

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