AMD Radeon RX 7800 XT vs AMD Radeon RX 7900 GRE

VS

AMD Radeon RX 7800 XT AMD Radeon RX 7900 GRE

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 16GB VRAM Radeon RX 7900 GRE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Boost Clock has increased by 8% (2430MHz vs 2245MHz)

Larger VRAM bandwidth (624.1GB/s vs 576.0GB/s)

AMD Radeon RX 7900 GRE 's Advantages

1280 additional rendering cores

Lower TDP (260W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT

37.32 TFLOPS

Radeon RX 7900 GRE +23%

45.98 TFLOPS

3DMark Time Spy

Radeon RX 7800 XT

20026

Radeon RX 7900 GRE +10%

22161

Radeon RX 7800 XT

VS

Radeon RX 7900 GRE

Graphics Card

Aug 2023

Release Date

Jul 2023

Navi III

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1295 MHz

Base Clock

1287 MHz

2430 MHz

Boost Clock

2245 MHz

2438 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

60

Compute Units

80

3840

Shading Units

5120

240

TMUs

320

96

ROPs

160

-

Tensor Cores

-

60

RT Cores

80

128 KB per Array

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

Theoretical Performance

233.3 GPixel/s

Pixel Rate

359.2 GPixel/s

583.2 GTexel/s

Texture Rate

718.4 GTexel/s

74.65 TFLOPS

FP16 (half)

91.96 TFLOPS

37.32 TFLOPS

FP32 (float)

45.98 TFLOPS

1166 GFLOPS

FP64 (double)

1437 GFLOPS

Graphics Processor

Navi 32

GPU Name

Navi 31

Navi 32 XT (215-180000006)

GPU Variant

Navi 31 XL

RDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

28.1 billion

Transistors

57.7 billion

346 mm²

Die Size

529 mm²

Board Design

263W

TDP

260W

600 W

Suggested PSU

600 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.7

Shader Model

6.7

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