NVIDIA GeForce RTX 3070 Ti GA102 vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce RTX 3070 Ti GA102

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3070 Ti GA102 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Ti GA102 's Advantages

Released 9 years and 11 months late

Boost Clock has increased by 82% (1770MHz vs 975MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (608.3GB/s vs 192.0GB/s)

4608 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 290W)

Score

Benchmark

FP32 (float)

GeForce RTX 3070 Ti GA102 +626%

21.75 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 3070 Ti GA102

VS

Radeon HD 7870 XT

Graphics Card

Oct 2022

Release Date

Nov 2012

GeForce 30

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1575 MHz

Base Clock

925 MHz

1770 MHz

Boost Clock

975 MHz

1188 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

256bit

608.3GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

48

SM Count

-

6144

Shading Units

1536

192

TMUs

96

ROPs

32

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

169.9 GPixel/s

Pixel Rate

31.20 GPixel/s

339.8 GTexel/s

Texture Rate

93.60 GTexel/s

21.75 TFLOPS

FP16 (half)

-

21.75 TFLOPS

FP32 (float)

2.995 TFLOPS

339.8 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

290W

TDP

185W

600 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

GA102

GPU Name

Tahiti

GA102-150-A1

GPU Variant

Tahiti LE (215-0821122)

Ampere

Architecture

GCN 1.0

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

4.313 billion

628 mm²

Die Size

352 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

8.6

CUDA

-

6.6

Shader Model

5.1

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