AMD Radeon RX 7900 GRE vs NVIDIA GeForce 8400 GS Rev. 2

VS

AMD Radeon RX 7900 GRE

NVIDIA GeForce 8400 GS Rev. 2

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 512MB VRAM GeForce 8400 GS Rev. 2 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 15 years and 7 months late

Boost Clock2245MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 6.400GB/s)

5112 additional rendering cores

NVIDIA GeForce 8400 GS Rev. 2 's Advantages

Lower TDP (25W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +208900%

45.98 TFLOPS

GeForce 8400 GS Rev. 2

0.022 TFLOPS

Radeon RX 7900 GRE

VS

GeForce 8400 GS Rev. 2

Graphics Card

Jul 2023

Release Date

Dec 2007

Navi III

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

6.400GB/s

Render Config

80

Compute Units

-

SM Count

1

5120

Shading Units

8

320

TMUs

4

160

ROPs

4

-

80

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

16 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

2.268 GPixel/s

718.4 GTexel/s

Texture Rate

2.268 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

22.40 GFLOPS

1437 GFLOPS

FP64 (double)

-

Board Design

260W

TDP

25W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

G98

Navi 31 XL (215-145000206)

GPU Variant

-

RDNA 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

65 nm

57.7 billion

Transistors

0.21 billion

529 mm²

Die Size

86 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.7

Shader Model

4.0

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