GPU Comparison

A

AMD

RADEON

AMD Radeon RX 480

CORE STATE Ellesmere

VRAM 8 GB

CLOCK SPEED 1266 MHz

TDP 150 W

BUS WIDTH 256 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2016

VS

NVIDIA

GEFORCE

GeForce GT 645 OEM

CORE STATE GF114

VRAM 1024 MB

CLOCK SPEED —

TDP 102 W

BUS WIDTH 192 bit

ARCHITECTURE Fermi 2.0

nm

PROCESS 40 nm

LAUNCH DATE 2012

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

966

N/A

geekbench_metal

51,057

N/A

geekbench_opencl

38,245

N/A

geekbench_vulkan

45,968

N/A

DETAILED SPECIFICATIONS

SPECIFICATION

RX 480

GT 645 OEM

Core Specs

Shading Units

2,304

288 -87.5%

Shaders

2,304

288 -87.5%

TMUs

144

48 -66.7%

ROPs

32

24 -25.0%

Compute Units

36

—

SM Count

—

6

Clocks

Base Clock

1120 MHz

—

Boost Clock

1266 MHz

—

GPU Clock

—

776 MHz

Shader Clock

—

1552 MHz

Memory Clock

2000 MHz 8 Gbps effective

957 MHz 3.8 Gbps effective

Memory

Memory Size

8 GB

1024 MB

VRAM (MB)

8,192

1,024 -87.5%

Memory Type

GDDR5

GDDR5

Memory Bus

256 bit

192 bit

Bandwidth

256.0 GB/s

91.87 GB/s

Cache

L1 Cache

16 KB (per CU)

64 KB (per SM)

L2 Cache

2 MB

384 KB

Performance

Pixel Rate

40.51 GPixel/s

9.312 GPixel/s

Texture Rate

182.3 GTexel/s

37.25 GTexel/s

FP32 (TFLOPS)

5.834 TFLOPS

894.0 GFLOPS

FP64 (TFLOPS)

364.6 GFLOPS (1:16)

74.50 GFLOPS (1:12)

FP16 (TFLOPS)

5.834 TFLOPS (1:1)

—

Power

TDP

150 W

102 W

TDP (W)

150

102 -32.0%

Suggested PSU

450 W

300 W

Power Connectors

1x 6-pin

—

Architecture

Architecture

GCN 4.0

Fermi 2.0

GPU Name

Ellesmere

GF114

Generation

Arctic Islands (RX 400)

GeForce 600

Process Size

14 nm

40 nm

Transistors

5,700 million

1,950 million

Die Size

232 mm²

332 mm²

Foundry

GlobalFoundries

TSMC

Density

24.6M / mm²

5.9M / mm²

API Support

DirectX

12 (12_0)

12 (11_0)

OpenGL

4.6

4.6

Vulkan

1.3

—

OpenCL

2.1

1.1

CUDA

—

2.1

Shader Model

6.7

5.1

Physical

Slot Width

Dual-slot

Dual-slot

Length

240 mm 9.4 inches

210 mm 8.3 inches

Height

95 mm 3.7 inches

—

Outputs

1x HDMI 2.0b3x DisplayPort 1.4a

2x DVI1x mini-HDMI 1.3a

Bus Interface

PCIe 3.0 x16

PCIe 2.0 x16

Other

Launch Price

229 USD

—

Production

End-of-life

End-of-life

Predecessor

Pirate Islands

GeForce 500

Successor

Polaris

GeForce 700

View Radeon RX 480 Details View GeForce GT 645 OEM Details