GPU Comparison
RADEON
AMD FirePro W8000
CORE STATE
Tahiti
VRAM
4 GB
CLOCK SPEED
—
TDP
225 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
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_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
FirePro W8000
GTX 660
Core Specs
Shading Units
1,792
960
-46.4%
Shaders
1,792
960
-46.4%
TMUs
112
80
-28.6%
ROPs
32
24
-25.0%
Compute Units
28
—
Clocks
Base Clock
—
980 MHz
Boost Clock
—
1032 MHz
GPU Clock
900 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
4 GB
2 GB
VRAM (MB)
4,096
2,048
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
192 bit
Bandwidth
176.0 GB/s
144.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Performance
Pixel Rate
28.80 GPixel/s
20.64 GPixel/s
Texture Rate
100.8 GTexel/s
82.56 GTexel/s
FP32 (TFLOPS)
3.226 TFLOPS
1.981 TFLOPS
FP64 (TFLOPS)
806.4 GFLOPS (1:4)
82.56 GFLOPS (1:24)
Power
TDP
225 W
140 W
TDP (W)
225
140
-37.8%
Suggested PSU
550 W
300 W
Power Connectors
2x 6-pin
1x 6-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Tahiti
GK106
Generation
FirePro GCN
(Wx000)
GeForce 600
Process Size
28 nm
28 nm
Transistors
4,313 million
2,540 million
Die Size
352 mm²
221 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
11.5M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
279 mm
11 inches
241 mm
9.5 inches
Height
111 mm
4.4 inches
—
Outputs
4x DisplayPort 1.21x SDI
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
1,599 USD
229 USD
Production
End-of-life
End-of-life
Predecessor
FirePro Terascale
GeForce 500
Successor
Radeon Pro Polaris
GeForce 700