AMD Radeon HD 8770 OEM vs NVIDIA GeForce 8800 Ultra

VS

AMD Radeon HD 8770 OEM

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770 OEM 's Advantages

Released 6 years and 4 months late

More VRAM (1024GB vs 768GB)

768 additional rendering cores

Lower TDP (85W vs 171W)

NVIDIA GeForce 8800 Ultra 's Advantages

Larger VRAM bandwidth (103.7GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +386%

1.882 TFLOPS

GeForce 8800 Ultra

0.387 TFLOPS

Radeon HD 8770 OEM

VS

GeForce 8800 Ultra

Graphics Card

Sep 2013

Release Date

May 2007

Sea Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1080 MHz

Memory

1024MB

Memory Size

768MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

103.7GB/s

Render Config

14

Compute Units

-

SM Count

16

896

Shading Units

128

56

TMUs

32

16

ROPs

24

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

96 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

14.69 GPixel/s

58.80 GTexel/s

Texture Rate

39.17 GTexel/s

-

1.882 TFLOPS

FP32 (float)

387.1 GFLOPS

117.6 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

171W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Bonaire

GPU Name

G80

Bonaire XT (215-0839039)

GPU Variant

G80-450-A3

GCN 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.08 billion

Transistors

0.681 billion

160 mm²

Die Size

484 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.0

OpenCL

1.1 (1.0)

1.2

Vulkan

N/A

-

CUDA

1.0

6.3

Shader Model

4.0

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