AMD Radeon R5 340X OEM vs AMD Radeon HD 6990

VS

AMD Radeon R5 340X OEM AMD Radeon HD 6990

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340X OEM 's Advantages

Released 4 years and 2 months late

Lower TDP (65W vs 375W)

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 16.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon HD 6990 +269%

2.55 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 6990

Graphics Card

May 2015

Release Date

Mar 2011

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

6

Compute Units

24

384

Shading Units

1536

24

TMUs

96

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

7.200 GPixel/s

Pixel Rate

26.56 GPixel/s

21.60 GTexel/s

Texture Rate

79.68 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

2.550 TFLOPS

43.20 GFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

Oland

GPU Name

Antilles

Oland XT (215-0837000)

GPU Variant

Antilles XT (215-0807027)

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

2.64 billion

77 mm²

Die Size

389 mm²

Board Design

65W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x DisplayPort 1.2

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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