AMD Radeon HD 7850 vs AMD Radeon R7 250X

VS

AMD Radeon HD 7850

AMD Radeon R7 250X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 1024MB VRAM Radeon R7 250X 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)

384 additional rendering cores

AMD Radeon R7 250X 's Advantages

Released 1 years and 11 months late

Lower TDP (80W vs 130W)

Score

Benchmark

FP32 (float)

Radeon HD 7850 +44%

1.761 TFLOPS

Radeon R7 250X

1.216 TFLOPS

Radeon HD 7850

VS

Radeon R7 250X

Graphics Card

Mar 2012

Release Date

Feb 2014

Southern Islands

Generation

Volcanic 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

10

-

1024

Shading Units

640

64

TMUs

40

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

15.20 GPixel/s

55.04 GTexel/s

Texture Rate

38.00 GTexel/s

-

1.761 TFLOPS

FP32 (float)

1216 GFLOPS

110.1 GFLOPS

FP64 (double)

76.00 GFLOPS

Board Design

130W

TDP

80W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

Cape Verde

Pitcairn PRO (215-0828062)

GPU Variant

Cape Verde XT

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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