NVIDIA GeForce RTX 3090 vs AMD Radeon HD 7850

VS

NVIDIA GeForce RTX 3090 AMD Radeon HD 7850

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 3090 and 2GB VRAM Radeon HD 7850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3090 's Advantages

Released 8 years and 6 months late

Boost Clock1695MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (936.2GB/s vs 153.6GB/s)

9472 additional rendering cores

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3090 +1920%

35.58 TFLOPS

Radeon HD 7850

1.761 TFLOPS

3DMark Time Spy

GeForce RTX 3090 +1415%

19888

Radeon HD 7850

1312

GeForce RTX 3090

VS

Radeon HD 7850

Graphics Card

Sep 2020

Release Date

Mar 2012

GeForce 30

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

1219 MHz

Memory Clock

1200 MHz

Memory

24GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

384bit

Memory Bus

256bit

936.2GB/s

Bandwidth

153.6GB/s

Render Config

82

SM Count

-

Compute Units

16

10496

Shading Units

1024

328

TMUs

64

112

ROPs

32

328

Tensor Cores

-

82

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

27.52 GPixel/s

556.0 GTexel/s

Texture Rate

55.04 GTexel/s

35.58 TFLOPS

FP16 (half)

-

35.58 TFLOPS

FP32 (float)

1.761 TFLOPS

556.0 GFLOPS

FP64 (double)

110.1 GFLOPS

Graphics Processor

GA102

GPU Name

Pitcairn

GA102-300-A1

GPU Variant

Pitcairn PRO (215-0828062)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

2.8 billion

628 mm²

Die Size

212 mm²

Board Design

350W

TDP

130W

750 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 12-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4060

2

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4080

3

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4070

4

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce RTX 4070 Ti

5

NVIDIA GeForce RTX 4060 Ti vs NVIDIA GeForce RTX 3090

6

NVIDIA GeForce RTX 3090 vs NVIDIA RTX A5000

7

NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 3090

8

NVIDIA GeForce RTX 3090 vs NVIDIA GeForce GTX 750 Ti

9

NVIDIA GeForce RTX 3090 vs ATI Radeon HD 5770 Mac Edition

10

NVIDIA GeForce RTX 3090 vs AMD FirePro S9170