NVIDIA GeForce 7800 GTX 512 vs AMD Radeon R7 265

VS

NVIDIA GeForce 7800 GTX 512

AMD Radeon R7 265

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 150W)

AMD Radeon R7 265 's Advantages

Released 8 years and 3 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (179.2GB/s vs 51.20GB/s)

1024 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon R7 265

Graphics Card

Nov 2005

Release Date

Feb 2014

GeForce 7 PCIe

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

800 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

16

-

Shading Units

1024

24

TMUs

64

16

ROPs

32

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

29.60 GPixel/s

12.00 GTexel/s

Texture Rate

59.20 GTexel/s

-

FP32 (float)

1.894 TFLOPS

-

FP64 (double)

118.4 GFLOPS

Board Design

108W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

-

Power Connectors

1x 6-pin

Graphics Processor

G70

GPU Name

Pitcairn

GF-7800-GTX-512-A2

GPU Variant

Pitcairn PRO (215-0828062)

Curie

Architecture

GCN 1.0

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.302 billion

Transistors

2.8 billion

333 mm²

Die Size

212 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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