NVIDIA GeForce RTX 5090 vs AMD Radeon HD 6850

VS

NVIDIA GeForce RTX 5090

AMD Radeon HD 6850

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5090 's Advantages

Released 14 years and 3 months late

Boost Clock2520MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (1.52TB/s vs 128.0GB/s)

20800 additional rendering cores

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +7272%

109.7 TFLOPS

Radeon HD 6850

1.488 TFLOPS

GeForce RTX 5090

VS

Radeon HD 6850

Graphics Card

Jan 2025

Release Date

Oct 2010

GeForce 50

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2235 MHz

Base Clock

-

2520 MHz

Boost Clock

-

1875 MHz

Memory Clock

1000 MHz

Memory

32GB

Memory Size

1024MB

GDDR7

Memory Type

GDDR5

512bit

Memory Bus

256bit

1.52TB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

170

SM Count

-

21760

Shading Units

960

680

TMUs

48

192

ROPs

32

680

Tensor Cores

-

170

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

88 MB

L2 Cache

512 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

24.80 GPixel/s

1714 GTexel/s

Texture Rate

37.20 GTexel/s

109.7 TFLOPS

FP16 (half)

-

109.7 TFLOPS

FP32 (float)

1488 GFLOPS

1.714 TFLOPS

FP64 (double)

-

Board Design

500W

TDP

127W

900 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GB202

GPU Name

Barts

GB202-400-A1

GPU Variant

Barts PRO (215-0798006)

Blackwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

1.7 billion

Unknown

Die Size

255 mm²

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

10.1

CUDA

-

6.8

Shader Model

5.0

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