GeForce 8800 GTX and Radeon R7 250E - video card comparison

GeForce 8800 GTX

Radeon R7 250E

Architecture

Tesla (2006−2010)

GCN 1.0 (2012−2020)

GPU code name

G80

Cape Verde

Market segment

Desktop

Desktop

Release date

November 2006

December 2013

Interface

PCIe 1.0 x16

PCIe 3.0 x16

Supplementary power connectors

2x 6-pin

None

SLI options

+

-

Core clock speed

576 MHz

800 MHz

CUDA cores

575

-

Floating-point performance

345.6 gflops

819.2 gflops

Manufacturing process technology

90 nm

28 nm

Number of transistors

681 million

1,500 million

Pipelines / CUDA cores

128

512

Power consumption (TDP)

155 Watt

55 Watt

Texture fill rate

36.8 billion/sec

25.60

Memory type

GDDR3

GDDR5

Maximum RAM amount

768 MB

1 GB

Memory bus width

384 Bit

128 Bit

Memory clock speed

900 MHz

4500 MHz

Memory bandwidth

86.4 GB/s

72 GB/s

Display Connectors

2x DVI, 1x S-Video

1x DVI, 1x HDMI, 1x DisplayPort

HDMI

-

+

DirectX

11.1 (10_0)

12 (11_1)

CUDA

+

-

OpenCL

1.1

1.2

OpenGL

3.3

4.6

Shader Model

4.0

5.1

Vulkan

N/A

1.2.131