AMD Radeon RX 7950 XT vs AMD Radeon R7 450 OEM

VS

AMD Radeon RX 7950 XT

AMD Radeon R7 450 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 XT and 2GB VRAM Radeon R7 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 72.00GB/s)

4864 additional rendering cores

AMD Radeon R7 450 OEM 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +6712%

64.51 TFLOPS

Radeon R7 450 OEM

0.947 TFLOPS

Radeon RX 7950 XT

VS

Radeon R7 450 OEM

Graphics Card

Unknown

Release Date

Jun 2016

Navi III

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

-

3000 MHz

Boost Clock

-

2500 MHz

Memory Clock

1125 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

72.00GB/s

Render Config

84

Compute Units

8

-

5376

Shading Units

512

336

TMUs

32

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

576.0 GPixel/s

Pixel Rate

14.80 GPixel/s

1008 GTexel/s

Texture Rate

29.60 GTexel/s

129.0 TFLOPS

FP16 (half)

-

64.51 TFLOPS

FP32 (float)

947.2 GFLOPS

2.016 TFLOPS

FP64 (double)

59.20 GFLOPS

Board Design

300W

TDP

65W

700 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 XT+

GPU Variant

Cape Verde PRO2

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

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5 (5.1)

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