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 830M
CORE STATE
GM108
VRAM
2 GB
CLOCK SPEED
1150 MHz
TDP
33 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
830M
Core Specs
Shading Units
384
256
-33.3%
Shaders
384
256
-33.3%
TMUs
24
16
-33.3%
ROPs
8
8
0.0%
Compute Units
6
—
Clocks
Base Clock
850 MHz
1082 MHz
Boost Clock
900 MHz
1150 MHz
Memory Clock
1000 MHz
4 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
64 bit
Bandwidth
64.00 GB/s
14.40 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
7.200 GPixel/s
9.200 GPixel/s
Texture Rate
21.60 GTexel/s
18.40 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
588.8 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
18.40 GFLOPS (1:32)
Power
TDP
—
33 W
TDP (W)
—
33
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
Maxwell
GPU Name
Mars
GM108
Generation
Solar System
(HD 8700M)
GeForce 800M
Process Size
28 nm
28 nm
Transistors
950 million
1,020 million
Die Size
77 mm²
77 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.2M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-A (3.0)
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
London
GeForce 700M
Successor
Gem System
GeForce 900M