AMD Radeon HD 7870 XT vs NVIDIA GeForce RTX 4080 Ti

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce RTX 4080 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 16GB VRAM GeForce RTX 4080 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 400W)

NVIDIA GeForce RTX 4080 Ti 's Advantages

Boost Clock has increased by 168% (2610MHz vs 975MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (678.4GB/s vs 192.0GB/s)

12544 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 4080 Ti +2354%

73.5 TFLOPS

Radeon HD 7870 XT

VS

GeForce RTX 4080 Ti

Graphics Card

Nov 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

925 MHz

Base Clock

2340 MHz

975 MHz

Boost Clock

2610 MHz

1500 MHz

Memory Clock

1325 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

678.4GB/s

Render Config

24

Compute Units

-

SM Count

110

1536

Shading Units

14080

96

TMUs

440

32

ROPs

144

-

Tensor Cores

440

-

RT Cores

110

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

80 MB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

375.8 GPixel/s

93.60 GTexel/s

Texture Rate

1148 GTexel/s

-

FP16 (half)

73.50 TFLOPS

2.995 TFLOPS

FP32 (float)

73.50 TFLOPS

748.8 GFLOPS

FP64 (double)

1148 GFLOPS

Board Design

185W

TDP

400W

450 W

Suggested PSU

800 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 16-pin

Graphics Processor

Tahiti

GPU Name

AD102

Tahiti LE (215-0821122)

GPU Variant

AD102-225-A1

GCN 1.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

4.313 billion

Transistors

76.3 billion

352 mm²

Die Size

609 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

5.1

Shader Model

6.7

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