NVIDIA GeForce RTX 4080 16 GB vs AMD Radeon HD 7850

VS

NVIDIA GeForce RTX 4080 16 GB

AMD Radeon HD 7850

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 16 GB 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 4080 16 GB 's Advantages

Released 10 years and 6 months late

Boost Clock2505MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (716.8GB/s vs 153.6GB/s)

8704 additional rendering cores

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 320W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 16 GB +2667%

48.74 TFLOPS

Radeon HD 7850

1.761 TFLOPS

GeForce RTX 4080 16 GB

VS

Radeon HD 7850

Graphics Card

Sep 2022

Release Date

Mar 2012

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2205 MHz

Base Clock

-

2505 MHz

Boost Clock

-

1400 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

716.8GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

16

76

SM Count

-

9728

Shading Units

1024

304

TMUs

64

112

ROPs

32

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

512 KB

-

Theoretical Performance

280.6 GPixel/s

Pixel Rate

27.52 GPixel/s

761.5 GTexel/s

Texture Rate

55.04 GTexel/s

48.74 TFLOPS

FP16 (half)

-

48.74 TFLOPS

FP32 (float)

1.761 TFLOPS

761.5 GFLOPS

FP64 (double)

110.1 GFLOPS

Board Design

320W

TDP

130W

700 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 16-pin

Power Connectors

1x 6-pin

Graphics Processor

AD103

GPU Name

Pitcairn

AD103-300-A1

GPU Variant

Pitcairn PRO (215-0828062)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

45.9 billion

Transistors

2.8 billion

379 mm²

Die Size

212 mm²

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

8.9

CUDA

-

6.6

Shader Model

5.1

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