GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
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
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
GT 745M
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
32
+33.3%
ROPs
8
16
+100.0%
Compute Units
6
—
Clocks
Base Clock
850 MHz
—
Boost Clock
900 MHz
—
GPU Clock
—
549 MHz
Memory Clock
1000 MHz
4 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
64.00 GB/s
64.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
256 KB
Performance
Pixel Rate
7.200 GPixel/s
4.392 GPixel/s
Texture Rate
21.60 GTexel/s
17.57 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
421.6 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
17.57 GFLOPS (1:24)
Power
TDP
—
45 W
TDP (W)
—
45
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Mars
GK107
Generation
Solar System
(HD 8700M)
GeForce 700M
Process Size
28 nm
28 nm
Transistors
950 million
1,270 million
Die Size
77 mm²
118 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
10.8M / 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
MXM Module
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
GeForce 600M
Successor
Gem System
GeForce 800M