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 250
CORE STATE
Cape Verde
VRAM
1024 MB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
R7 250
Core Specs
Shading Units
896
512
-42.9%
Shaders
896
512
-42.9%
TMUs
56
32
-42.9%
ROPs
16
16
0.0%
Compute Units
14
8
-42.9%
Clocks
GPU Clock
1000 MHz
925 MHz
Memory Clock
1500 MHz
6 Gbps effective
900 MHz
1800 Mbps effective
Memory
Memory Size
1024 MB
1024 MB
VRAM (MB)
1,024
1,024
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
96.00 GB/s
28.80 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
256 KB
Performance
Pixel Rate
16.00 GPixel/s
14.80 GPixel/s
Texture Rate
56.00 GTexel/s
29.60 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
947.2 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
59.20 GFLOPS (1:16)
Power
TDP
85 W
55 W
TDP (W)
85
55
-35.3%
Suggested PSU
250 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
GCN 2.0
GCN 1.0
GPU Name
Bonaire
Cape Verde
Generation
Southern Islands
(HD 7700)
Volcanic Islands
(R7 200)
Process Size
28 nm
28 nm
Transistors
2,080 million
1,500 million
Die Size
160 mm²
123 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
12.2M / mm²
API Support
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1 (1.2)
Shader Model
6.5
6.5 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
183 mm
7.2 inches
168 mm
6.6 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
149 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Sea Islands
Successor
Sea Islands
Pirate Islands