AMD Radeon RX 7900 XTX vs AMD Radeon RX 7800 XT

VS

AMD Radeon RX 7900 XTX

AMD Radeon RX 7800 XT

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 16GB VRAM Radeon RX 7800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Boost Clock has increased by 3% (2498MHz vs 2430MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (960.0GB/s vs 624.1GB/s)

2304 additional rendering cores

AMD Radeon RX 7800 XT 's Advantages

Released 9 months late

Lower TDP (263W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +64%

61.39 TFLOPS

Radeon RX 7800 XT

37.32 TFLOPS

3DMark Time Spy

Radeon RX 7900 XTX +52%

30621

Radeon RX 7800 XT

20031

Blender

Radeon RX 7900 XTX +76%

4680

Radeon RX 7800 XT

2652

Shadow of the Tomb Raider 2160p

Radeon RX 7900 XTX +54%

127

Radeon RX 7800 XT

82

Shadow of the Tomb Raider 1440p

Radeon RX 7900 XTX +44%

228

Radeon RX 7800 XT

158

Shadow of the Tomb Raider 1080p

Radeon RX 7900 XTX +32%

310

Radeon RX 7800 XT

234

Cyberpunk 2077 2160p

Radeon RX 7900 XTX +57%

60

Radeon RX 7800 XT

38

Cyberpunk 2077 1440p

Radeon RX 7900 XTX +31%

108

Radeon RX 7800 XT

82

Cyberpunk 2077 1080p

Radeon RX 7900 XTX +39%

176

Radeon RX 7800 XT

126

GTA 5 2160p

Radeon RX 7900 XTX +25%

175

Radeon RX 7800 XT

140

GTA 5 1440p

Radeon RX 7900 XTX +25%

175

Radeon RX 7800 XT

140

GTA 5 1080p

Radeon RX 7900 XTX

190

Radeon RX 7800 XT

190

Horizon Forbidden West 1080p

Radeon RX 7900 XTX +46%

144

Radeon RX 7800 XT

98

Horizon Forbidden West 1440p

Radeon RX 7900 XTX +49%

121

Radeon RX 7800 XT

81

Horizon Forbidden West 2160p

Radeon RX 7900 XTX +53%

80

Radeon RX 7800 XT

52

Radeon RX 7900 XTX

VS

Radeon RX 7800 XT

Graphics Card

Nov 2022

Release Date

Aug 2023

Navi III

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1929 MHz

Base Clock

1295 MHz

2498 MHz

Boost Clock

2430 MHz

2500 MHz

Memory Clock

2438 MHz

Memory

24GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

624.1GB/s

Render Config

96

Compute Units

60

-

6144

Shading Units

3840

384

TMUs

240

192

ROPs

96

-

96

RT Cores

60

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

96 MB

L3 Cache

64 MB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

233.3 GPixel/s

959.2 GTexel/s

Texture Rate

583.2 GTexel/s

122.8 TFLOPS

FP16 (half)

74.65 TFLOPS

61.39 TFLOPS

FP32 (float)

37.32 TFLOPS

1.918 TFLOPS

FP64 (double)

1166 GFLOPS

Board Design

355W

TDP

263W

750 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.1a 3x DisplayPort 2.1

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 32

Navi 31 XTX (215-145000146)

GPU Variant

Navi 32 XT (215-180000006)

RDNA 3.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

57.7 billion

Transistors

28.1 billion

529 mm²

Die Size

346 mm²

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

-

6.7

Shader Model

6.7

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