AMD Radeon RX 7900 GRE vs AMD Radeon RX 550X 640SP

VS

AMD Radeon RX 7900 GRE

AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE and 2GB VRAM Radeon RX 550X 640SP 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 5 years and 3 months late

Boost Clock has increased by 110% (2245MHz vs 1071MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 96.00GB/s)

4480 additional rendering cores

AMD Radeon RX 550X 640SP 's Advantages

Lower TDP (60W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +3253%

45.98 TFLOPS

Radeon RX 550X 640SP

1.371 TFLOPS

Radeon RX 7900 GRE

VS

Radeon RX 550X 640SP

Graphics Card

Jul 2023

Release Date

Apr 2018

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1287 MHz

Base Clock

1019 MHz

2245 MHz

Boost Clock

1071 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

96.00GB/s

Render Config

80

Compute Units

10

-

5120

Shading Units

640

320

TMUs

40

160

ROPs

16

-

80

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

17.14 GPixel/s

718.4 GTexel/s

Texture Rate

42.84 GTexel/s

91.96 TFLOPS

FP16 (half)

1371 GFLOPS

45.98 TFLOPS

FP32 (float)

1371 GFLOPS

1437 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

260W

TDP

60W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Baffin

Navi 31 XL (215-145000206)

GPU Variant

Baffin LE

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

3 billion

529 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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