NVIDIA GeForce RTX 4080 Ti vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce RTX 4080 Ti AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 4080 Ti 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 4080 Ti 's Advantages

Boost Clock has increased by 146% (2400MHz vs 975MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (848.0GB/s vs 192.0GB/s)

12544 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 400W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Ti +2156%

67.58 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 4080 Ti

VS

Radeon HD 7870 XT

Graphics Card

Unknown

Release Date

Nov 2012

GeForce 40

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2100 MHz

Base Clock

925 MHz

2400 MHz

Boost Clock

975 MHz

1325 MHz

Memory Clock

1500 MHz

Memory

20GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

256bit

848.0GB/s

Bandwidth

192.0GB/s

Render Config

110

SM Count

-

Compute Units

24

14080

Shading Units

1536

440

TMUs

96

144

ROPs

32

440

Tensor Cores

-

110

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

80 MB

L2 Cache

512 KB

Theoretical Performance

345.6 GPixel/s

Pixel Rate

31.20 GPixel/s

1056 GTexel/s

Texture Rate

93.60 GTexel/s

67.58 TFLOPS

FP16 (half)

-

67.58 TFLOPS

FP32 (float)

2.995 TFLOPS

1056 GFLOPS

FP64 (double)

748.8 GFLOPS

Graphics Processor

AD102

GPU Name

Tahiti

AD102-225-A1

GPU Variant

Tahiti LE (215-0821122)

Ada Lovelace

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

76.3 billion

Transistors

4.313 billion

609 mm²

Die Size

352 mm²

Board Design

400W

TDP

185W

800 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 16-pin

Power Connectors

2x 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

8.9

CUDA

-

6.7

Shader Model

5.1

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