AMD Radeon RX 7900 GRE vs NVIDIA GeForce RTX 4080

VS

AMD Radeon RX 7900 GRE NVIDIA GeForce RTX 4080

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 16GB VRAM GeForce RTX 4080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 GRE 's Advantages

Released 10 months late

Lower TDP (260W vs 320W)

NVIDIA GeForce RTX 4080 's Advantages

Boost Clock has increased by 12% (2505MHz vs 2245MHz)

Larger VRAM bandwidth (716.8GB/s vs 576.0GB/s)

4608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE

45.98 TFLOPS

GeForce RTX 4080 +6%

48.74 TFLOPS

3DMark Time Spy

Radeon RX 7900 GRE

22258

GeForce RTX 4080 +26%

28257

Radeon RX 7900 GRE

VS

GeForce RTX 4080

Graphics Card

Jul 2023

Release Date

Sep 2022

Navi III

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1287 MHz

Base Clock

2205 MHz

2245 MHz

Boost Clock

2505 MHz

2250 MHz

Memory Clock

1400 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

716.8GB/s

Render Config

-

SM Count

76

80

Compute Units

-

5120

Shading Units

9728

320

TMUs

304

160

ROPs

112

-

Tensor Cores

304

80

RT Cores

76

256 KB per Array

L1 Cache

128 KB (per SM)

6 MB

L2 Cache

64 MB

Theoretical Performance

359.2 GPixel/s

Pixel Rate

280.6 GPixel/s

718.4 GTexel/s

Texture Rate

761.5 GTexel/s

91.96 TFLOPS

FP16 (half)

48.74 TFLOPS

45.98 TFLOPS

FP32 (float)

48.74 TFLOPS

1437 GFLOPS

FP64 (double)

761.5 GFLOPS

Graphics Processor

Navi 31

GPU Name

AD103

Navi 31 XL

GPU Variant

AD103-300-A1

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

Board Design

260W

TDP

320W

600 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

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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