AMD Radeon R7 450 OEM vs AMD Radeon HD 6970 X2

VS

AMD Radeon R7 450 OEM

AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 450 OEM and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 450 OEM 's Advantages

Lower TDP (65W vs 375W)

AMD Radeon HD 6970 X2 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 72.00GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 450 OEM

0.947 TFLOPS

Radeon HD 6970 X2 +185%

2.703 TFLOPS

Radeon R7 450 OEM

VS

Radeon HD 6970 X2

Graphics Card

Jun 2016

Release Date

Unknown

Arctic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

176.0GB/s

Render Config

8

Compute Units

24

-

512

Shading Units

1536

32

TMUs

96

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

28.16 GPixel/s

29.60 GTexel/s

Texture Rate

84.48 GTexel/s

-

947.2 GFLOPS

FP32 (float)

2.703 TFLOPS

59.20 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

375W

250 W

Suggested PSU

750 W

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

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

Cape Verde

GPU Name

Antilles

Cape Verde PRO2

GPU Variant

Antilles XT (215-0807027)

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

2.64 billion

123 mm²

Die Size

389 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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