AMD Radeon HD 7850 vs NVIDIA GeForce GTX 490

VS

AMD Radeon HD 7850

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

More VRAM (2GB vs 1536GB)

544 additional rendering cores

Lower TDP (130W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

Larger VRAM bandwidth (164.0GB/s vs 153.6GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7850 +51%

1.761 TFLOPS

GeForce GTX 490

1.166 TFLOPS

Radeon HD 7850

VS

GeForce GTX 490

Graphics Card

Mar 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

854 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

164.0GB/s

Render Config

16

Compute Units

-

SM Count

15

1024

Shading Units

480

64

TMUs

60

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

18.24 GPixel/s

55.04 GTexel/s

Texture Rate

36.48 GTexel/s

-

1.761 TFLOPS

FP32 (float)

1166 GFLOPS

110.1 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

130W

TDP

365W

300 W

Suggested PSU

750 W

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

Outputs

3x DVI 1x mini-DisplayPort

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

GF100

Pitcairn PRO (215-0828062)

GPU Variant

GF100-375-A3

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

3.1 billion

212 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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