NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce RTX 3070 6144 SP

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

NVIDIA GeForce RTX 3070 6144 SP

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 8GB VRAM GeForce RTX 3070 6144 SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (760.3GB/s vs 448.0GB/s)

4096 additional rendering cores

NVIDIA GeForce RTX 3070 6144 SP 's Advantages

Boost Clock has increased by 6% (1770MHz vs 1665MHz)

Lower TDP (290W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +56%

34.1 TFLOPS

GeForce RTX 3070 6144 SP

21.75 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

GeForce RTX 3070 6144 SP

Graphics Card

Jan 2022

Release Date

Unknown

GeForce 30

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1335 MHz

Base Clock

1740 MHz

1665 MHz

Boost Clock

1770 MHz

1188 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR6

320bit

Memory Bus

256bit

760.3GB/s

Bandwidth

448.0GB/s

Render Config

-

80

SM Count

48

10240

Shading Units

6144

320

TMUs

192

112

ROPs

96

320

Tensor Cores

192

80

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

4 MB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

169.9 GPixel/s

532.8 GTexel/s

Texture Rate

339.8 GTexel/s

34.10 TFLOPS

FP16 (half)

21.75 TFLOPS

34.10 TFLOPS

FP32 (float)

21.75 TFLOPS

532.8 GFLOPS

FP64 (double)

339.8 GFLOPS

Board Design

350W

TDP

290W

750 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.13x DisplayPort 1.4a

1x 12-pin

Power Connectors

1x 8-pin

Graphics Processor

GA102

GPU Name

GA104

GA102-225-A1

GPU Variant

-

Ampere

Architecture

Ampere

Samsung

Foundry

Samsung

8 nm

Process Size

8 nm

28.3 billion

Transistors

17.4 billion

628 mm²

Die Size

392 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.6

CUDA

8.6

6.6

Shader Model

6.8

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