ATI Radeon HD 2900 XTX vs AMD Radeon R9 370X

VS

ATI Radeon HD 2900 XTX

AMD Radeon R9 370X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 2GB VRAM Radeon R9 370X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 370X 's Advantages

Boost Clock1030MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (179.2GB/s vs 106.0GB/s)

960 additional rendering cores

Lower TDP (180W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon R9 370X +453%

2.637 TFLOPS

Radeon HD 2900 XTX

VS

Radeon R9 370X

Graphics Card

Unknown

Release Date

Aug 2015

Radeon R600

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1030 MHz

828 MHz

Memory Clock

1400 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

179.2GB/s

Render Config

4

Compute Units

24

-

320

Shading Units

1280

16

TMUs

80

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

32.96 GPixel/s

11.89 GTexel/s

Texture Rate

82.40 GTexel/s

-

475.5 GFLOPS

FP32 (float)

2.637 TFLOPS

-

FP64 (double)

164.8 GFLOPS

Board Design

240W

TDP

180W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

R600

GPU Name

Trinidad

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Trinidad XT

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

2.8 billion

420 mm²

Die Size

212 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.0

Shader Model

5.1

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