GPU Comparison
GPU
Intel HD Graphics 10EU
CORE STATE
Haswell GT1
VRAM
System Shared
CLOCK SPEED
1000 MHz
TDP
45 W
BUS WIDTH
System Shared
ARCHITECTURE
Generation 7.5
PROCESS
22 nm
LAUNCH DATE
2013
VS
GEFORCE
GeForce GTX 645 OEM
CORE STATE
GK106S
VRAM
1024 MB
CLOCK SPEED
—
TDP
65 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
DETAILED SPECIFICATIONS
SPECIFICATION
HD Graphics 10EU
GTX 645 OEM
Core Specs
Shading Units
80
576
+620.0%
Shaders
80
576
+620.0%
TMUs
10
48
+380.0%
ROPs
1
16
+1500.0%
Execution Units
10
—
Clocks
Base Clock
200 MHz
—
Boost Clock
1000 MHz
—
GPU Clock
—
824 MHz
Memory Clock
System Shared
1000 MHz
4 Gbps effective
Memory
Memory Size
System Shared
1024 MB
VRAM (MB)
—
1,024
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
128 bit
Bandwidth
System Dependent
64.00 GB/s
Cache
L1 Cache
—
16 KB (per SMX)
L2 Cache
—
256 KB
Performance
Pixel Rate
1.000 GPixel/s
9.888 GPixel/s
Texture Rate
10.00 GTexel/s
39.55 GTexel/s
FP32 (TFLOPS)
160.0 GFLOPS
949.2 GFLOPS
FP64 (TFLOPS)
40.00 GFLOPS (1:4)
39.55 GFLOPS (1:24)
Power
TDP
45 W
65 W
TDP (W)
45
65
+44.4%
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
Generation 7.5
Kepler
GPU Name
Haswell GT1
GK106S
Generation
HD Graphics
(Haswell)
GeForce 600
Process Size
22 nm
28 nm
Transistors
—
2,540 million
Die Size
—
221 mm²
Foundry
Intel
TSMC
Density
—
11.5M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.3
4.6
Vulkan
1.0
1.2.175
OpenCL
1.2
3.0
CUDA
—
3.0
Shader Model
5.1
6.5 (5.1)
Physical
Slot Width
IGP
Single-slot
Length
—
147 mm
5.8 inches
Outputs
Motherboard Dependent
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
Ring Bus
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
GeForce 500
Successor
—
GeForce 700