AMD Radeon RX 7900 GRE vs NVIDIA GeForce GT 620

VS

AMD Radeon RX 7900 GRE

NVIDIA GeForce GT 620

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 1024MB VRAM GeForce GT 620 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 11 years and 2 months late

Boost Clock2245MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 14.40GB/s)

5024 additional rendering cores

NVIDIA GeForce GT 620 's Advantages

Lower TDP (49W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +16992%

45.98 TFLOPS

GeForce GT 620

0.269 TFLOPS

Radeon RX 7900 GRE

VS

GeForce GT 620

Graphics Card

Jul 2023

Release Date

May 2012

Navi III

Generation

GeForce 600

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

900 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

14.40GB/s

Render Config

80

Compute Units

-

SM Count

2

5120

Shading Units

96

320

TMUs

16

160

ROPs

4

-

80

RT Cores

-

256 KB per Array

L1 Cache

64 KB (per SM)

6 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

2.800 GPixel/s

718.4 GTexel/s

Texture Rate

11.20 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

268.8 GFLOPS

1437 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

260W

TDP

49W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

GF108

Navi 31 XL (215-145000206)

GPU Variant

GF108-100-KB-A1

RDNA 3.0

Architecture

Fermi

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.585 billion

529 mm²

Die Size

116 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.7

Shader Model

5.1

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