GPU Comparison
RADEON
AMD Radeon Pro 580X
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1200 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
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
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 580X
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
1100 MHz
980 MHz
Boost Clock
1200 MHz
1032 MHz
Memory Clock
1710 MHz
6.8 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
218.9 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
38.40 GPixel/s
20.64 GPixel/s
Texture Rate
172.8 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
5.530 TFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
345.6 GFLOPS (1:16)
82.56 GFLOPS (1:24)
FP16 (TFLOPS)
5.530 TFLOPS (1:1)
—
Power
TDP
185 W
140 W
TDP (W)
185
140
-24.3%
Suggested PSU
—
300 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Ellesmere
GK106
Generation
Radeon Pro Mac
(500X Series)
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
IGP
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
2x HDMI 2.0b
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
Apple MPX
PCIe 3.0 x16
Other
Launch Price
—
229 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 500
Successor
—
GeForce 700