AMD Radeon HD 7850 vs NVIDIA GeForce 9800 GX2

VS

AMD Radeon HD 7850

NVIDIA GeForce 9800 GX2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 512MB VRAM GeForce 9800 GX2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Released 4 years late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

896 additional rendering cores

Lower TDP (130W vs 197W)

Score

Benchmark

FP32 (float)

Radeon HD 7850 +358%

1.761 TFLOPS

GeForce 9800 GX2

0.384 TFLOPS

Radeon HD 7850

VS

GeForce 9800 GX2

Graphics Card

Mar 2012

Release Date

Mar 2008

Southern Islands

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

64.00GB/s

Render Config

16

Compute Units

-

SM Count

16

1024

Shading Units

128

64

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

9.600 GPixel/s

55.04 GTexel/s

Texture Rate

38.40 GTexel/s

-

1.761 TFLOPS

FP32 (float)

384.0 GFLOPS

110.1 GFLOPS

FP64 (double)

-

Board Design

130W

TDP

197W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

G92

Pitcairn PRO (215-0828062)

GPU Variant

G92-450-A2

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.754 billion

212 mm²

Die Size

324 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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