AMD Radeon R5 340 OEM vs ATI Radeon HD 2900 XT

VS

AMD Radeon R5 340 OEM

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340 OEM 's Advantages

Released 8 years late

Boost Clock780MHz

More VRAM (1024GB vs 512GB)

64 additional rendering cores

Lower TDP (65W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 36.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 340 OEM +25%

0.599 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon R5 340 OEM

VS

Radeon HD 2900 XT

Graphics Card

May 2015

Release Date

May 2007

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

1150 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

512bit

36.80GB/s

Bandwidth

106.0GB/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

6.240 GPixel/s

Pixel Rate

11.89 GPixel/s

18.72 GTexel/s

Texture Rate

11.89 GTexel/s

-

599.0 GFLOPS

FP32 (float)

475.5 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

215W

250 W

Suggested PSU

550 W

1x DVI 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Oland

GPU Name

R600

Oland PRO (215-0837015)

GPU Variant

R600 XT (215RGMDKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

0.95 billion

Transistors

0.72 billion

77 mm²

Die Size

420 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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