AMD Radeon RX 7800 vs AMD Radeon R7 265

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 's Advantages

Released 8 years and 11 months late

Boost Clock has increased by 203% (2800MHz vs 925MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 179.2GB/s)

2816 additional rendering cores

AMD Radeon R7 265 's Advantages

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +1870%

37.32 TFLOPS

Radeon R7 265

1.894 TFLOPS

Radeon RX 7800

VS

Radeon R7 265

Graphics Card

Jan 2023

Release Date

Feb 2014

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

900 MHz

2800 MHz

Boost Clock

925 MHz

2250 MHz

Memory Clock

1400 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

576.0GB/s

Bandwidth

179.2GB/s

Render Config

-

SM Count

-

60

Compute Units

16

3840

Shading Units

1024

240

TMUs

64

128

ROPs

32

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

358.4 GPixel/s

Pixel Rate

29.60 GPixel/s

672.0 GTexel/s

Texture Rate

59.20 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

1.894 TFLOPS

1344 GFLOPS

FP64 (double)

118.4 GFLOPS

Graphics Processor

Navi 32

GPU Name

Pitcairn

Navi 32 XT

GPU Variant

Pitcairn PRO (215-0828062)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

Unknown

Transistors

2.8 billion

346 mm²

Die Size

212 mm²

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

6.7

Shader Model

5.1

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