AMD Radeon RX 7900 XTX vs AMD Radeon R7 350 640SP

VS

AMD Radeon RX 7900 XTX

AMD Radeon R7 350 640SP

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 2GB VRAM Radeon R7 350 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 3 years and 10 months late

Boost Clock2498MHz

More VRAM (24GB vs 2GB)

Larger VRAM bandwidth (960.0GB/s vs 72.00GB/s)

5504 additional rendering cores

AMD Radeon R7 350 640SP 's Advantages

Lower TDP (55W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +5084%

61.39 TFLOPS

Radeon R7 350 640SP

1.184 TFLOPS

Radeon RX 7900 XTX

VS

Radeon R7 350 640SP

Graphics Card

Nov 2022

Release Date

Jan 2019

Navi III

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

1125 MHz

Memory

24GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

960.0GB/s

Bandwidth

72.00GB/s

Render Config

96

Compute Units

10

-

6144

Shading Units

640

384

TMUs

40

192

ROPs

16

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

14.80 GPixel/s

959.2 GTexel/s

Texture Rate

37.00 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

1184 GFLOPS

1.918 TFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

355W

TDP

55W

750 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Cape Verde

Navi 31 XTX (215-145000146)

GPU Variant

Cape Verde XT

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

1.5 billion

529 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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