AMD Radeon HD 7950 Boost vs AMD Radeon RX 6900 XTX

VS

AMD Radeon HD 7950 Boost

AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages

Lower TDP (200W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock has increased by 163% (2435MHz vs 925MHz)

More VRAM (16GB vs 3GB)

Larger VRAM bandwidth (576.0GB/s vs 240.0GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950 Boost

3.315 TFLOPS

Radeon RX 6900 XTX +652%

24.93 TFLOPS

Radeon HD 7950 Boost

VS

Radeon RX 6900 XTX

Graphics Card

Jun 2012

Release Date

Unknown

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

850 MHz

Base Clock

2075 MHz

925 MHz

Boost Clock

2435 MHz

1250 MHz

Memory Clock

2250 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

576.0GB/s

Render Config

28

Compute Units

80

-

1792

Shading Units

5120

112

TMUs

320

32

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

768 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

311.7 GPixel/s

103.6 GTexel/s

Texture Rate

779.2 GTexel/s

-

FP16 (half)

49.87 TFLOPS

3.315 TFLOPS

FP32 (float)

24.93 TFLOPS

828.8 GFLOPS

FP64 (double)

1.558 TFLOPS

Board Design

200W

TDP

330W

550 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Navi 21

Tahiti PRO2 (215-0821282)

GPU Variant

Navi 21 XTXH (215-121000247)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

26.8 billion

352 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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