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
RADEON
Radeon R7 Graphics
CORE STATE
Spectre Lite
VRAM
System Shared
CLOCK SPEED
—
TDP
25 W
BUS WIDTH
System Shared
ARCHITECTURE
GCN 2.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
R7 Graphics
Core Specs
Shading Units
384
384
0.0%
Shaders
384
384
0.0%
TMUs
24
24
0.0%
ROPs
8
8
0.0%
Compute Units
6
6
0.0%
Clocks
Base Clock
850 MHz
—
Boost Clock
900 MHz
—
GPU Clock
—
720 MHz
Memory Clock
1000 MHz
4 Gbps effective
System Shared
Memory
Memory Size
2 GB
System Shared
VRAM (MB)
2,048
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
64.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
—
Performance
Pixel Rate
7.200 GPixel/s
5.760 GPixel/s
Texture Rate
21.60 GTexel/s
17.28 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
553.0 GFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
34.56 GFLOPS (1:16)
Power
TDP
—
25 W
TDP (W)
—
25
Power Connectors
None
—
Architecture
Architecture
GCN 1.0
GCN 2.0
GPU Name
Mars
Spectre Lite
Generation
Solar System
(HD 8700M)
GCN 2.0 IGP
(Kaveri)
Process Size
28 nm
28 nm
Transistors
950 million
2,410 million
Die Size
77 mm²
245 mm²
Foundry
TSMC
GlobalFoundries
Density
12.3M / mm²
9.8M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Slot Width
MXM Module
IGP
Outputs
Portable Device Dependent
Motherboard Dependent
Bus Interface
MXM-A (3.0)
IGP
Other
Production
End-of-life
End-of-life
Predecessor
London
TeraScale 3 IGP
Successor
Gem System
GCN 3.0 IGP