GPU Comparison
RADEON
AMD Radeon 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
VS
GEFORCE
GeForce GT 745M
CORE STATE
GK107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
GT 745M
Core Specs
Shading Units
512
384
-25.0%
Shaders
512
384
-25.0%
TMUs
32
32
0.0%
ROPs
16
16
0.0%
Compute Units
8
—
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
549 MHz
Memory Clock
1750 MHz
7 Gbps effective
1000 MHz
4 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
112.0 GB/s
64.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
256 KB
Performance
Pixel Rate
19.49 GPixel/s
4.392 GPixel/s
Texture Rate
38.98 GTexel/s
17.57 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
421.6 GFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
17.57 GFLOPS (1:24)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
—
Power
TDP
50 W
45 W
TDP (W)
50
45
-10.0%
Suggested PSU
250 W
—
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
Kepler
GPU Name
Lexa
GK107
Generation
Polaris
(RX 500X)
GeForce 700M
Process Size
14 nm
28 nm
Transistors
2,200 million
1,270 million
Die Size
103 mm²
118 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
10.8M / 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
IGP
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
GeForce 600M
Successor
Vega
GeForce 800M