AMD Radeon R5 340X OEM vs ATI Radeon HD 2950 PRO

VS

AMD Radeon R5 340X OEM

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340X OEM 's Advantages

More VRAM (2GB vs 256GB)

64 additional rendering cores

Lower TDP (65W vs 75W)

ATI Radeon HD 2950 PRO 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM +79%

0.691 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 2950 PRO

Graphics Card

May 2015

Release Date

Unknown

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

38.40GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

16

8

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

9.600 GPixel/s

21.60 GTexel/s

Texture Rate

9.600 GTexel/s

-

691.2 GFLOPS

FP32 (float)

384.0 GFLOPS

43.20 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

65W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Oland

GPU Name

RV670

Oland XT (215-0837000)

GPU Variant

RV670 PRO ES (215-0708001)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.666 billion

77 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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