AMD Radeon HD 6770 vs AMD Radeon R7 250

VS

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

Main Differences

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

288 additional rendering cores

AMD Radeon R7 250 's Advantages

Released 2 years and 9 months late

Lower TDP (55W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 +89%

1.36 TFLOPS

Radeon R7 250

0.717 TFLOPS

Radeon HD 6770

VS

Radeon R7 250

Graphics Card

Jan 2011

Release Date

Oct 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

10

Compute Units

8

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

11.20 GPixel/s

34.00 GTexel/s

Texture Rate

22.40 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

716.8 GFLOPS

-

FP64 (double)

44.80 GFLOPS

Graphics Processor

Juniper

GPU Name

Cape Verde

Juniper XT (215-0754013)

GPU Variant

Cape Verde PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.5 billion

166 mm²

Die Size

123 mm²

Board Design

108W

TDP

55W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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