GPU Comparison
RADEON
AMD Radeon R8 M445DX
CORE STATE
Meso
VRAM
System Shared
CLOCK SPEED
1021 MHz
TDP
—
BUS WIDTH
System Shared
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
VS
GEFORCE
GeForce GTX 660 Ti
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
980 MHz
TDP
150 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R8 M445DX
GTX 660 Ti
Core Specs
Shading Units
320
1,344
+320.0%
Shaders
320
1,344
+320.0%
TMUs
20
112
+460.0%
ROPs
8
24
+200.0%
Compute Units
5
—
Clocks
Base Clock
780 MHz
915 MHz
Boost Clock
1021 MHz
980 MHz
Memory Clock
System Shared
1502 MHz
6 Gbps effective
Memory
Memory Size
System Shared
2 GB
VRAM (MB)
—
2,048
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
192 bit
Bandwidth
System Dependent
144.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
128 KB
384 KB
Performance
Pixel Rate
8.168 GPixel/s
27.44 GPixel/s
Texture Rate
20.42 GTexel/s
109.8 GTexel/s
FP32 (TFLOPS)
653.4 GFLOPS
2.634 TFLOPS
FP64 (TFLOPS)
40.84 GFLOPS (1:16)
109.8 GFLOPS (1:24)
FP16 (TFLOPS)
653.4 GFLOPS (1:1)
—
Power
TDP
—
150 W
TDP (W)
—
150
Suggested PSU
—
450 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
GCN 3.0
Kepler
GPU Name
Meso
GK104
Generation
Gem System Hybrid
(Rx M400)
GeForce 600
Process Size
28 nm
28 nm
Transistors
1,550 million
3,540 million
Die Size
125 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.4M / mm²
12.0M / mm²
API Support
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.0
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
IGP
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
IGP
PCIe 3.0 x16
Other
Launch Price
—
299 USD
Production
End-of-life
End-of-life
Predecessor
—
GeForce 500
Successor
—
GeForce 700