NVIDIA GeForce RTX 5090 vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce RTX 5090

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 32GB VRAM GeForce RTX 5090 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 5090 's Advantages

Released 12 years and 2 months late

Boost Clock has increased by 158% (2520MHz vs 975MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (1.52TB/s vs 192.0GB/s)

20224 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 500W)

Score

Benchmark

FP32 (float)

GeForce RTX 5090 +3562%

109.7 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

GeForce RTX 5090

VS

Radeon HD 7870 XT

Graphics Card

Jan 2025

Release Date

Nov 2012

GeForce 50

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

925 MHz

2520 MHz

Boost Clock

975 MHz

1875 MHz

Memory Clock

1500 MHz

Memory

32GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

512bit

Memory Bus

256bit

1.52TB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

170

SM Count

-

21760

Shading Units

1536

680

TMUs

96

192

ROPs

32

680

Tensor Cores

-

170

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

88 MB

L2 Cache

512 KB

-

Theoretical Performance

483.8 GPixel/s

Pixel Rate

31.20 GPixel/s

1714 GTexel/s

Texture Rate

93.60 GTexel/s

109.7 TFLOPS

FP16 (half)

-

109.7 TFLOPS

FP32 (float)

2.995 TFLOPS

1.714 TFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

500W

TDP

185W

900 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

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

1x 16-pin

Power Connectors

2x 6-pin

Graphics Processor

GB202

GPU Name

Tahiti

GB202-400-A1

GPU Variant

Tahiti LE (215-0821122)

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

4.313 billion

Unknown

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

10.1

CUDA

-

6.8

Shader Model

5.1

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