NVIDIA GeForce 8800 Ultra vs AMD Radeon R7 265X OEM

VS

NVIDIA GeForce 8800 Ultra

AMD Radeon R7 265X OEM

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 2GB VRAM Radeon R7 265X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265X OEM 's Advantages

Released 7 years and 3 months late

Boost Clock925MHz

More VRAM (2GB vs 768GB)

Larger VRAM bandwidth (179.2GB/s vs 103.7GB/s)

1152 additional rendering cores

Lower TDP (150W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

Radeon R7 265X OEM +511%

2.368 TFLOPS

GeForce 8800 Ultra

VS

Radeon R7 265X OEM

Graphics Card

May 2007

Release Date

Aug 2014

GeForce 8

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

1080 MHz

Memory Clock

1400 MHz

Memory

768MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

384bit

Memory Bus

256bit

103.7GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

16

SM Count

-

128

Shading Units

1280

32

TMUs

80

24

ROPs

32

-

L1 Cache

16 KB (per CU)

96 KB

L2 Cache

512 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

29.60 GPixel/s

39.17 GTexel/s

Texture Rate

74.00 GTexel/s

-

387.1 GFLOPS

FP32 (float)

2.368 TFLOPS

-

FP64 (double)

148.0 GFLOPS

Board Design

171W

TDP

150W

450 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

Curacao

G80-450-A3

GPU Variant

Curacao PRO (215-0848000)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

2.8 billion

484 mm²

Die Size

212 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

1.2

1.0

CUDA

-

4.0

Shader Model

5.1

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