NVIDIA GeForce 8800 GT vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce 8800 GT

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GT 's Advantages

Lower TDP (125W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 5 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 57.60GB/s)

1168 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GT

0.336 TFLOPS

Radeon HD 8870 OEM +661%

2.56 TFLOPS

GeForce 8800 GT

VS

Radeon HD 8870 OEM

Graphics Card

Oct 2007

Release Date

Jan 2013

GeForce 8

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

57.60GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

14

SM Count

-

112

Shading Units

1280

56

TMUs

80

16

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

32.00 GPixel/s

33.60 GTexel/s

Texture Rate

80.00 GTexel/s

-

336.0 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

125W

TDP

175W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

G92

GPU Name

Pitcairn

G92-270-A2

GPU Variant

Pitcairn XT (215-0828047)

Tesla

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.754 billion

Transistors

2.8 billion

324 mm²

Die Size

212 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

5.1

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