AMD Radeon HD 6790 vs AMD Radeon R7 250XE

VS

AMD Radeon HD 6790

AMD Radeon R7 250XE

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM Radeon R7 250XE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)

160 additional rendering cores

AMD Radeon R7 250XE 's Advantages

Released 3 years and 4 months late

Lower TDP (80W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +22%

1.344 TFLOPS

Radeon R7 250XE

1.101 TFLOPS

Radeon HD 6790

VS

Radeon R7 250XE

Graphics Card

Apr 2011

Release Date

Aug 2014

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

72.00GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

640

40

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

13.76 GPixel/s

33.60 GTexel/s

Texture Rate

34.40 GTexel/s

-

1344 GFLOPS

FP32 (float)

1101 GFLOPS

-

FP64 (double)

68.80 GFLOPS

Board Design

150W

TDP

80W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

Cape Verde

Barts LE (215-0798002)

GPU Variant

Cape Verde XT

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

255 mm²

Die Size

123 mm²

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

-

5.0

Shader Model

5.1

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