GPU Comparison
RADEON
AMD Radeon HD 7790
CORE STATE
Bonaire
VRAM
1024 MB
CLOCK SPEED
—
TDP
85 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 2.0
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_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
R7 Graphics
Core Specs
Shading Units
896
384
-57.1%
Shaders
896
384
-57.1%
TMUs
56
24
-57.1%
ROPs
16
8
-50.0%
Compute Units
14
6
-57.1%
Clocks
GPU Clock
1000 MHz
720 MHz
Memory Clock
1500 MHz
6 Gbps effective
System Shared
Memory
Memory Size
1024 MB
System Shared
VRAM (MB)
1,024
—
Memory Type
GDDR5
System Shared
Memory Bus
128 bit
System Shared
Bandwidth
96.00 GB/s
System Dependent
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
256 KB
—
Performance
Pixel Rate
16.00 GPixel/s
5.760 GPixel/s
Texture Rate
56.00 GTexel/s
17.28 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
553.0 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
34.56 GFLOPS (1:16)
Power
TDP
85 W
25 W
TDP (W)
85
25
-70.6%
Suggested PSU
250 W
—
Power Connectors
1x 6-pin
—
Architecture
Architecture
GCN 2.0
GCN 2.0
GPU Name
Bonaire
Spectre Lite
Generation
Southern Islands
(HD 7700)
GCN 2.0 IGP
(Kaveri)
Process Size
28 nm
28 nm
Transistors
2,080 million
2,410 million
Die Size
160 mm²
245 mm²
Foundry
TSMC
GlobalFoundries
Density
13.0M / mm²
9.8M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1
Shader Model
6.5
6.5
Physical
Slot Width
Dual-slot
IGP
Length
183 mm
7.2 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Motherboard Dependent
Bus Interface
PCIe 3.0 x16
IGP
Other
Launch Price
149 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
TeraScale 3 IGP
Successor
Sea Islands
GCN 3.0 IGP