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
GEFORCE
T400
CORE STATE
TU117
VRAM
2 GB
CLOCK SPEED
1425 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7790
T400
Core Specs
Shading Units
896
384
-57.1%
Shaders
896
384
-57.1%
TMUs
56
24
-57.1%
ROPs
16
16
0.0%
Compute Units
14
—
SM Count
—
6
Clocks
Base Clock
—
420 MHz
Boost Clock
—
1425 MHz
GPU Clock
1000 MHz
—
Memory Clock
1500 MHz
6 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
96.00 GB/s
80.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
16.00 GPixel/s
22.80 GPixel/s
Texture Rate
56.00 GTexel/s
34.20 GTexel/s
FP32 (TFLOPS)
1.792 TFLOPS
1,094.4 GFLOPS
FP64 (TFLOPS)
112.0 GFLOPS (1:16)
34.20 GFLOPS (1:32)
FP16 (TFLOPS)
—
2.189 TFLOPS (2:1)
Power
TDP
85 W
30 W
TDP (W)
85
30
-64.7%
Suggested PSU
250 W
200 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
GCN 2.0
Turing
GPU Name
Bonaire
TU117
Generation
Southern Islands
(HD 7700)
Quadro Turing
(Tx000)
Process Size
28 nm
12 nm
Transistors
2,080 million
4,700 million
Die Size
160 mm²
200 mm²
Foundry
TSMC
TSMC
Density
13.0M / mm²
23.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.5
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
183 mm
7.2 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
3x mini-DisplayPort 1.4a
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
Quadro Volta
Successor
Sea Islands
Workstation Ampere