AMD Radeon R7 250E vs AMD Radeon HD 6770

VS

AMD Radeon R7 250E

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250E and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250E 's Advantages

Released 2 years and 11 months late

Lower TDP (55W vs 108W)

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 72.00GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 250E

0.819 TFLOPS

Radeon HD 6770 +66%

1.36 TFLOPS

Radeon R7 250E

VS

Radeon HD 6770

Graphics Card

Dec 2013

Release Date

Jan 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

76.80GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

800

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

13.60 GPixel/s

25.60 GTexel/s

Texture Rate

34.00 GTexel/s

-

819.2 GFLOPS

FP32 (float)

1360 GFLOPS

51.20 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

108W

250 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

Juniper

Cape Verde PRO

GPU Variant

Juniper XT (215-0754013)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.04 billion

123 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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