AMD Radeon RX 7800 vs ATI Radeon HD 2950 XTX

VS

AMD Radeon RX 7800

ATI Radeon HD 2950 XTX

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 512MB VRAM Radeon HD 2950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Boost Clock2800MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 72.06GB/s)

3520 additional rendering cores

ATI Radeon HD 2950 XTX 's Advantages

Lower TDP (110W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +7409%

37.32 TFLOPS

Radeon HD 2950 XTX

0.497 TFLOPS

Radeon RX 7800

VS

Radeon HD 2950 XTX

Graphics Card

Jan 2023

Release Date

Unknown

Navi III

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2800 MHz

Boost Clock

-

2250 MHz

Memory Clock

1126 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

72.06GB/s

Render Config

60

Compute Units

4

-

3840

Shading Units

320

240

TMUs

16

128

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

12.43 GPixel/s

672.0 GTexel/s

Texture Rate

12.43 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

497.3 GFLOPS

1344 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

300W

TDP

110W

700 W

Suggested PSU

300 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 32

GPU Name

RV670

Navi 32 XT

GPU Variant

RV670 XTX (215-0708004)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

Unknown

Transistors

0.666 billion

346 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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