AMD Radeon RX 7990 XTX vs NVIDIA RTX 4500 Ada Generation

VS

AMD Radeon RX 7990 XTX

NVIDIA RTX 4500 Ada Generation

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 24GB VRAM RTX 4500 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7990 XTX 's Advantages

Boost Clock has increased by 39% (3599MHz vs 2580MHz)

Larger VRAM bandwidth (1152GB/s vs 432.0GB/s)

NVIDIA RTX 4500 Ada Generation 's Advantages

1536 additional rendering cores

Lower TDP (210W vs 405W)

Score

Benchmark

FP32 (float)

Radeon RX 7990 XTX +123%

88.45 TFLOPS

RTX 4500 Ada Generation

39.63 TFLOPS

Radeon RX 7990 XTX

VS

RTX 4500 Ada Generation

Graphics Card

Unknown

Release Date

Aug 2023

Navi III

Generation

Quadro Ada

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2500 MHz

Base Clock

2070 MHz

3599 MHz

Boost Clock

2580 MHz

3000 MHz

Memory Clock

2250 MHz

Memory

24GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

192bit

1152GB/s

Bandwidth

432.0GB/s

Render Config

96

Compute Units

-

SM Count

60

6144

Shading Units

7680

384

TMUs

240

192

ROPs

80

-

Tensor Cores

240

96

RT Cores

60

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

48 MB

192 MB

L3 Cache

-

Theoretical Performance

691.0 GPixel/s

Pixel Rate

206.4 GPixel/s

1382 GTexel/s

Texture Rate

619.2 GTexel/s

176.9 TFLOPS

FP16 (half)

39.63 TFLOPS

88.45 TFLOPS

FP32 (float)

39.63 TFLOPS

2.764 TFLOPS

FP64 (double)

619.2 GFLOPS

Board Design

405W

TDP

210W

800 W

Suggested PSU

550 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

4x DisplayPort 1.4a

3x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

AD103

Navi 31 XTX+

GPU Variant

-

RDNA 3.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

57.7 billion

Transistors

45.9 billion

529 mm²

Die Size

379 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.7

Shader Model

6.7

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