AMD Radeon RX 6600 LE vs AMD Radeon HD 6790
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 LE 's Advantages
Released 12 years and 8 months late
Boost Clock2495MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (224.0GB/s vs 134.4GB/s)
992 additional rendering cores
Lower TDP (132W vs 150W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 LE
+565%
8.942 TFLOPS
Radeon HD 6790
1.344 TFLOPS
Graphics Card
Dec 2023
Release Date
Apr 2011
Navi II
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1626 MHz
Base Clock
-
2495 MHz
Boost Clock
-
1750 MHz
Memory Clock
1050 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
224.0GB/s
Bandwidth
134.4GB/s
Render Config
28
Compute Units
10
-
-
-
1792
Shading Units
800
112
TMUs
40
64
ROPs
16
-
-
-
28
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB
32 MB
L3 Cache
-
Theoretical Performance
159.7 GPixel/s
Pixel Rate
13.44 GPixel/s
279.4 GTexel/s
Texture Rate
33.60 GTexel/s
17.88 TFLOPS
FP16 (half)
-
8.942 TFLOPS
FP32 (float)
1344 GFLOPS
558.9 GFLOPS
FP64 (double)
-
Board Design
132W
TDP
150W
300 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Navi 23
GPU Name
Barts
Navi 23 XL
(215-130000016)
GPU Variant
Barts LE
(215-0798002)
RDNA 2.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
1.7 billion
237 mm²
Die Size
255 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.7
Shader Model
5.0
