AMD Radeon HD 7850 vs AMD Radeon HD 8740 OEM

VS

AMD Radeon HD 7850

AMD Radeon HD 8740 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 1024MB VRAM Radeon HD 8740 OEM 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 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 72.00GB/s)

512 additional rendering cores

AMD Radeon HD 8740 OEM 's Advantages

Released 1 years and 6 months late

Lower TDP (55W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 7850 +115%

1.761 TFLOPS

Radeon HD 8740 OEM

0.819 TFLOPS

Radeon HD 7850

VS

Radeon HD 8740 OEM

Graphics Card

Mar 2012

Release Date

Sep 2013

Southern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

72.00GB/s

Render Config

16

Compute Units

8

-

1024

Shading Units

512

64

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.52 GPixel/s

Pixel Rate

12.80 GPixel/s

55.04 GTexel/s

Texture Rate

25.60 GTexel/s

-

1.761 TFLOPS

FP32 (float)

819.2 GFLOPS

110.1 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

130W

TDP

55W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Cape Verde

Pitcairn PRO (215-0828062)

GPU Variant

Cape Verde PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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