AMD Radeon HD 7950 vs AMD Radeon R9 290

VS

AMD Radeon HD 7950

AMD Radeon R9 290

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 4GB VRAM Radeon R9 290 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Lower TDP (200W vs 275W)

AMD Radeon R9 290 's Advantages

Released 1 years and 10 months late

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (320.0GB/s vs 240.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950

2.867 TFLOPS

Radeon R9 290 +69%

4.849 TFLOPS

3DMark Time Spy

Radeon HD 7950

1917

Radeon R9 290 +92%

3684

Radeon HD 7950

VS

Radeon R9 290

Graphics Card

Jan 2012

Release Date

Nov 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1250 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

512bit

240.0GB/s

Bandwidth

320.0GB/s

Render Config

28

Compute Units

40

-

1792

Shading Units

2560

112

TMUs

160

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

60.61 GPixel/s

89.60 GTexel/s

Texture Rate

151.5 GTexel/s

-

2.867 TFLOPS

FP32 (float)

4.849 TFLOPS

716.8 GFLOPS

FP64 (double)

606.1 GFLOPS

Board Design

200W

TDP

275W

550 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Hawaii

Tahiti PRO (215-0821056)

GPU Variant

Hawaii PRO (215-0852020)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

6.2 billion

352 mm²

Die Size

438 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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