AMD Radeon RX 7900 XT vs AMD Radeon RX 7700

VS

AMD Radeon RX 7900 XT

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 12GB VRAM Radeon RX 7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

More VRAM (20GB vs 12GB)

Larger VRAM bandwidth (800.0GB/s vs 432.0GB/s)

2304 additional rendering cores

AMD Radeon RX 7700 's Advantages

Boost Clock has increased by 9% (2600MHz vs 2394MHz)

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +61%

51.48 TFLOPS

Radeon RX 7700

31.95 TFLOPS

Radeon RX 7900 XT

VS

Radeon RX 7700

Graphics Card

Nov 2022

Release Date

Unknown

Navi III

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1387 MHz

Base Clock

1900 MHz

2394 MHz

Boost Clock

2600 MHz

2500 MHz

Memory Clock

2250 MHz

Memory

20GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

320bit

Memory Bus

192bit

800.0GB/s

Bandwidth

432.0GB/s

Render Config

84

Compute Units

48

-

5376

Shading Units

3072

336

TMUs

192

ROPs

96

-

84

RT Cores

48

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

80 MB

L3 Cache

64 MB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

249.6 GPixel/s

804.4 GTexel/s

Texture Rate

499.2 GTexel/s

103.0 TFLOPS

FP16 (half)

63.90 TFLOPS

51.48 TFLOPS

FP32 (float)

31.95 TFLOPS

1.609 TFLOPS

FP64 (double)

998.4 GFLOPS

Board Design

300W

TDP

200W

700 W

Suggested PSU

550 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 32

Navi 31 XT (215-145000156)

GPU Variant

Navi 32

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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