GPU Comparison
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
PROCESS
14 nm
LAUNCH DATE
2016
VS
GEFORCE
GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 480
GTX 660
Core Specs
Shading Units
2,304
960
-58.3%
Shaders
2,304
960
-58.3%
TMUs
144
80
-44.4%
ROPs
32
24
-25.0%
Compute Units
36
—
Clocks
Base Clock
1120 MHz
980 MHz
Boost Clock
1266 MHz
1032 MHz
Memory Clock
2000 MHz
8 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
8 GB
2 GB
VRAM (MB)
8,192
2,048
-75.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
192 bit
Bandwidth
256.0 GB/s
144.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
2 MB
384 KB
Performance
Pixel Rate
40.51 GPixel/s
20.64 GPixel/s
Texture Rate
182.3 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
5.834 TFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
364.6 GFLOPS (1:16)
82.56 GFLOPS (1:24)
FP16 (TFLOPS)
5.834 TFLOPS (1:1)
—
Power
TDP
150 W
140 W
TDP (W)
150
140
-6.7%
Suggested PSU
450 W
300 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Ellesmere
GK106
Generation
Arctic Islands
(RX 400)
GeForce 600
Process Size
14 nm
28 nm
Transistors
5,700 million
2,540 million
Die Size
232 mm²
221 mm²
Foundry
GlobalFoundries
TSMC
Density
24.6M / mm²
11.5M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.7
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
240 mm
9.4 inches
241 mm
9.5 inches
Height
95 mm
3.7 inches
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
229 USD
229 USD
Production
End-of-life
End-of-life
Predecessor
Pirate Islands
GeForce 500
Successor
Polaris
GeForce 700