NVIDIA GeForce 8800 GTS 320 vs AMD Radeon HD 7770 GHz Edition

VS

NVIDIA GeForce 8800 GTS 320

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 5 years late

More VRAM (1024GB vs 320GB)

Larger VRAM bandwidth (72.00GB/s vs 63.36GB/s)

544 additional rendering cores

Lower TDP (80W vs 143W)

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon HD 7770 GHz Edition +461%

1.28 TFLOPS

GeForce 8800 GTS 320

VS

Radeon HD 7770 GHz Edition

Graphics Card

Feb 2007

Release Date

Feb 2012

GeForce 8

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

792 MHz

Memory Clock

1125 MHz

Memory

320MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

128bit

63.36GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

12

SM Count

-

96

Shading Units

640

24

TMUs

40

20

ROPs

16

-

L1 Cache

16 KB (per CU)

80 KB

L2 Cache

256 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

16.00 GPixel/s

24.62 GTexel/s

Texture Rate

40.00 GTexel/s

-

228.1 GFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

80.00 GFLOPS

Board Design

143W

TDP

80W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

G80

GPU Name

Cape Verde

G80-100-K0-A2

GPU Variant

Cape Verde XT

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

1.5 billion

484 mm²

Die Size

123 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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