AMD Radeon HD 7790 vs AMD Radeon RX 6900 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Oct 2020
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1500 MHz
2000 MHz
Base Clock
-
1825 MHz
Boost Clock
-
2250 MHz
Memory
Memory Size
1024MB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
128bit
256bit
Bandwidth
96.00GB/s
512.0GB/s
Render Config
Compute Units
14
80
Shading Units
896
5120
TMUs
56
320
ROPs
16
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
4 MB
RT Cores
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
288.0 GPixel/s
Texture Rate
56.00 GTexel/s
720.0 GTexel/s
FP32 (float)
1.792 TFLOPS
23.04 TFLOPS
FP64 (double)
112.0 GFLOPS
1440.0 GFLOPS
FP16 (half)
-
46.08 TFLOPS
Graphics Processor
GPU Name
Bonaire
Navi 21
GPU Variant
Bonaire XT(215-0839039)
Navi 21 XTX(215-121000167)
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.08 billion
26.8 billion
Die Size
160 mm²
520 mm²
Board Design
TDP
85W
300W
Suggested PSU
250 W
700 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.4
Shader Model
6.3
6.8
📊 Benchmark
3DMark Time Spy
1,307
20,764
3DMark Time Spy Extreme
409
-